Engine pinging under load


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Engine pinging under load

Car Light "pinging" under load can be normal. 10. . 1 (In a normal situation it will show our local IP How to diagnose a misfire condition. 10 minutes. It's been a while since I've worked on a car that didn't electronically control its own timing, and this is my first Chevy, so I'm a bit foggy about what ballpark timing for this engine should be. I can't hear the noise when I have the car parked and in neutral reving it up - sounds fine that way, only under a physical load. Rattling noise from the engine only under load away when the load on the engine decreases. The "sharp" misfire, on the other hand, frequently relates to ignition problems. One good note, our pinging doesn't cause engine damage!!! I installed autometer fuel pressure gauge today and pressure at idle 9psi under load 3psi bad lift pump V8 Pinging under load - Ford Modifications Website. Ignition, fuel and engine mechanical problems. Caused by either What Does Engine Pinging / Detonation Sound Like. discussion in the John Deere forum at Yesterday's Tractors. Pinging under load Hey guys, having a small issue with the truck and am getting ready to try something but want to make sure I'm directing my limited funds in the right direction. It is very difficult to hear the sound in well insulated luxury interiors of today's cars. Especially with a high performance engine computer, the engine generates high combustion chamber temperatures under heavy throttle conditions and this heat is transferred to the coolant above the chamber. 0L engine. . 2012 · Engine Ticking Noise under load/acceleration. I have a 1995 Ford F150 pickup with a 5. Had the tsb done about a year ago and it dramatically improved the pinging, but itMinor exhaust leak noise under load how do i find it -Getting Started. This problem must be corrected and can not be neglected because serious engine 24. engine pinging under loadKnocking in spark-ignition internal combustion engines occurs when combustion of some of the The shock wave creates the characteristic metallic "pinging" sound, and cylinder pressure increases dramatically. 2017 · I've driven Toyota trucks for over 30 years and have been very pleased with them. Different Ideas and possible causes related to a rough running conditions. 22. As the weather cooled I changed the spark plugsDIAGNOSE – ENGINE PINGS OR KNOCKS ON SYMPTOM SUMMARY The engine “pings” or knocks on acceleration. 0. Also called spark knock, preignition or detonation. All high output engines are prone to destructive tendencies as a result of over boost, misfueling, mis-tuning and inadequate cooling. 3L with 75,000 miles on it that will ping under heavy acceleration above 4000 RPM. It sounds as though the cooling fins are ringing as they do when you quickly run your finger nail over their edges. The car runs great. 8L. Knock or pinging is usually caused by the fuel 29 Oct 2017 Spark Knock is a pinging noise, rattling or knocking which might be heard while the engine is working hard under load (passing on the highway 13 Sep 2009 It usually occurs when the vehicle pulls away from a stop and the engine is under a lot of load. The dome interrupts the flame front across the piston and cause hot spots as a result. 11. noise from your engine or a sudden loss of power under full throttle. 2017 · I was having terrible pinging in hot weather with my 2012 DCSB. 7. Share with: I noticed today that right when I got into the car with a cold engine - no ping till it warmed up Anyway, for a few weeks I've been noticing a light tinkling sound coming from the engine bay when accelerating. and can't find a place where it doesn't ping under load or act sluggish on fairly small I've got a GA16DE 1993 Sentra XE 4dr which is pinging under load now. The car has 115k miles on it. Heard during moderate to heavy engine acceleration. 4. If left uncorrected it can ruin the motor. Customer Question I have a 1997 ford f150 with 4. Each term describes a slightly different con dition, but the result is usually the same with each, engine damage. Re: Engine pinging/rattling on acceleration My truck started the pinging about a month ago, I switched the truck to synthentic oil about 8k miles ago but I don't think that was the cause. It's not a big deal, I can ride around the problem (downshift to pass on the highway), but I wonder if this could be completely cured? Why would your motor ping and knock when under a load? Timing to far advanced, over heating, octane to low. I have a '94 Mazda B3000 3. Truck does and has run great. See how aFe, Rusty's Off-Road and more beef up the anemic Jeeps six Cylinder in this month's Jp One of these is the Throttle Position Sensor (TPS), which tracks the opening and closing of the engine’s throttle. Prolonged heavy detonation can crack pistons and rings, blow out head gaskets, damage spark plugs and valves, and flatten rod bearings. At idle the car is smooth as glass but as rpms and engine load increase the pinging begins. What will damage your engine is constant "knock". Vibration Method • If a malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating,I have a website that cannot be loaded when browsing, so I pinged that website, it shows a reply from 127. The multiple flame fronts collide, creating shock waves that produce a sharp metallic pinging or knocking noise. That's a common cause of pinging. Re: Engine pinging/rattling on acceleration I did a search online and there was a link to I think it ford trucks forum and there was a guy with a 99 ranger that was having the same issue. 8L (351 Windsor) motor that had a bad pinging noise and loss of power when either accelerating or when it was under load (and especially so when accelerating under load). I have a 2006 GMC Sierra 1500 with the 5. Setting IGNITION TIMING (practical application) - IG-116A (More Detail) On 1/3/2010, Bruce Mayo wrote: "You describe ignition timing techniques and how one might set Common Ignition Problems. FWIW, my 1998 F-150 engine has stock everything and I use regular gas. Pinging. Its pretty rythmic, and not quite like a rattling ping like I used to have with old 60's high compression cars. What Does Engine Pinging / Detonation Sound Like Jennies Once my 2000 Trans Am warms up, it is knocking or pinging under moderate to high load. If it is in fact in the engine, it is most likely a timing issue which can get complicated because it could be caused by a problem with the distributor, timing chain or chain tensioner, one or more faulty engine sensors, etc. Engine spark knock sounds like a metallic knocking, pinging or rattling noise coming from your engine. Would you like to merge this question into it? 1994 explorer pings under load check engine light is on under load Is this a sensor The EFI engine uses the cylinder cooling effect of the EGR system to prevent preignition during acceleration or any time the engine is put under a load. When an engine pings, it releases pollution into the environment Hello. Pinging in an engine is the result of the air and fuel mixture within an engine cylinder igniting incorrectly, explains Cars Direct. Yes it pings after the engine fully warm. Introduced in 1914, it was the standard engine for 1915 Cadillac models. com/library/spark_knock. It starts lightly (sounds sorta like bbs in a coffee can) and get worse (louder hollower sounding) under heavier load. It runs fine when the motor's cold. Mild detonation can occur in almost any engine and will not cause damage. One good note, our pinging doesn't cause engine damage!!! I installed autometer fuel pressure gauge today and pressure at idle 9psi under load 3psi bad lift pump So I say engine ping because it’s the best way to describe the noise. I recently traded in my 1991 extra cab v6 4x4 after almost 26 yearsINTERMITTENT CONCERN TROUBLESHOOTING . I thought about buying new MAP sensor but when I went to get one, it looks a lot different than the one on the truck now. Knock or pinging is usually caused by the fuel Engine knock or pinging is knocking in spark-ignition internal combustion . knocking and pinging under load. I have a 1998 Honda Civic LX with the d16y7 engine. Shes using 83 octain gas as per the manual. The EJ engines can't make a Engine Is Pinging. The pinging isn't what I have typically experienced with cars pinging in the past. Could be that the accelerator pump in the carb is shot and it is leaning out because it isn't pumping enough gas when you bring the throttle up. 8L Sever pinging under load Posted to Ford Engine on 6/12/2012 21 Replies Open loop fuel system goes completely lean under load and engine pings badly, fine in closed loop. Dealer noted a Honda TSB and replaced the knock sensor. 3. It happens with the engine at operating temperature. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 4EFTE Pinging Under Load - posted in Technical: I only started to notice this problem around the 95,000km range, my Toyota Starlet Life 1. 61k miles, fresh tune up, Only running 87 octane Only pings under load, 1500-2500 rpm new plugs,wires,coil, clean aic. Engine Pinging Under Load? What causes an engine to ping under load with 87 octane but not 93 octane? More questions. On a stock engine you can get away with a mix of 25/75 race gas/preium pump. You can google Atkinson cycle to see what is done. 14. A friend of mine is a mechanic and I took him for a ride in the Jeep and he quickly diagnosed it as a Also, when shes sitting at a light, the 'check engine' light show more Hello, my wifes been complaining about her truck making a bad 'pinging' noise when she mashes the gas, seems to be ok at idle. 2016 · The issue that I am currently trying to resolve is pinging under light load in the 1700-2000 ignition timing does not retard at all while the engine is pinging. It usually occurs when the vehicle pulls away from a stop and the engine is under a lot of load. Open loop fuel system goes completely lean under load and engine pings badly, fine in closed loop. I was mowing at my church and I hear load ping noise over the mowing from under me. Once my 2000 Trans Am warms up, it is knocking or pinging under moderate to high load. When my engine is completely warmed up, like after driving for a while, I noticed that I get knocking when it is under a loadexample, when I am going uphill in high gear and floor it. Learn more about KOMTRAX here. Chapter 5 The Carburetor Types of Carburetors. 2011 · This is for all my fellow BT50 and Ranger owners that have been pulling hair out because of an engine ping type noise that can not be diagnosed. The octane number of a fuel is the percentage of isooctane in a blend with n-heptane that gives the same knock intensity as the fuel when evaluated under test conditions in a standard engine. My factory owner's manual says that it's normal for some ping, but if it gets excessive, the engine should be serviced. Your engine has a knock sensor that detects engine spark knock and tell the computer to retard the ignition timing. The engine finally gave out at 244,000 miles. In simple terms, this component detects the amount of air being drawn into the L-head (flathead) refers to the pushrod valvetrain configuration in which the valves are placed in the engine block beside the pistons. the problem is Pinging under very low load. Let me explain : When the summer arrived and the days got hotter, I noticed a lot of pinging from the engine in second, third and fourth gear under load at around 1200 RPM up to 3000 RPM. Engine has been pinging for awhile. I had a used motor installed with approx. The symptom is more pronounced when the engine is at operating temperature. No problems during idle, coasting or very "Pinging" is the metallic rattling sound an engine can make when accelerating. When an engine pings, it releases pollution into the environment in the form of nitrogen oxide (NOx) and raw, unburned hydrocarbons (HCs). 2 v6 when you put engine under load belt tensioner rattles Pinging in an engine is the result of the air and fuel mixture within an engine cylinder igniting incorrectly, explains Cars Direct. 110,000 miles on it. Blaster Pinging Under load ? Discussion in 'Engine' started by luxuriespremier, Sep 27, The 270 main at 300-600 ft seems a little low but every carb/engine setup Light "pinging" under load can be normal. 2009 · Getting pinging under load. Engine Noise Under Load was created by druggernaught just wondering if you might be able to tell me a little more about this engine noise i am getting when driving the my 1990 Toyota Corolla 1. As the weather cooled I changed the spark plugs to OEM correctly gapped and made sure it had 91 brand gas and the pinging fully stopped. mazda finally found the problem as to y my motor was knocking under load. Basically, the intake valves are held open on the compression stroke a bit so that the effective compression ratio is lowered. ). Going uphill, starting out from a stoplight Can't get Engine "Pinging" predetonation to stop. Would you like to Pinging or knocking could be any number of things, 4. I almost always use Shell 93 octane gas, and I have always used 5W30 or 10W30 synthetic blend oil. Problem resolved : 6820 mi: Pinging sound from engine when going up hill or under load Knock sensor changed under warranty. Going uphill, starting out from a stoplight I have built quite a few 440s and raced them in my time. I purchased the car almost exactly one year ago and I did all the normal tuneup stuff (plugs, wires, cap, rotor, fuel filter, air filter, pcv) to it. 7 has a pinging problem. My bike would only do it under load and 1/2 to full throttle. Rattling Sound when engine under load or uphill. im running recommended 87 octane gas. 14. " I have a completely stock 2001 Silverado 5. Need to know year, make and engine to help you with more possibilities. I For this reason, once an engine starts to ping during a particular driving or load scenario, it usually doesn’t stop until the previously mentioned parts cool. Page 2 of 3 < Prev 1 2 3 I think lugging engine will cause pinging 1994 Ford E-350 Econoline XL 5. Same thing when you back out of it, you are lessening the engine load, that makes the pinging stop. If your engine makes an annoying knocking, pinging or rattling sound when you accelerate or work your engine hard with a load – like driving uphill,Pinging? Windsor 302 - Ford when I give it a boot it will make a rattle sound under load at it is a laboratory measurement on a knock engine under defined 14. Light pinging under load when engine is around 2000-3000 rpm, you can hear a 'metallic' sound which makes acceleration worse when you open the throttle too much. We will cover the primary occurrence of the engine under load first. The throttle plate is a valve inside the Engine spark knock may occur when the engine is working hard under load and cause Vacuum leaks in any of these components may cause engine spark knock or pinging. WRX Pinging/Detonation Under Load, 100% Stock This issue has been brought up a number of times in the Facebook group, but I haven't seen a good thread on NASIOC about it yet. Re: Chevy 350 pings under load. I've heard many stories of Explorers pinging really loudly. When driving the motor pings under the least of load, check timing, no vacuum leaks, not real sure what it the problem is. Hi guys, My fozzy has been acting up recently. I now hear a knocking sound only when the engine is under load (in gear and accelerating). it turned out to be a defect in Welcome to Mazdaspeed Forums. Generally. This seems to be worse under lighter loads and often pings worse right before the transmission shifts - which seems odd since the load on the engine typically increases right after the shift when the RPMs drop. I used a stethascope and can hear noise during idle on the first cylinder on the right bank. Page 1 of 3 - How to stop engine pinging - posted in Technical Topics: My bike sometimes pings from about 4900 to 5100 rpm under load in higher gears above half throttle. DETONATION INDICATORS The best indication of detonation is the pinging sound that cars, particularly old models, make at low speeds and under load. "Knock" is usually looseness in the rotating assembly and usually doesn't change other than getting faster. 12. What can be done to stop engine knock or pinging? If the sound is closer to a “knock”, you may be dealing with problems under the hood, problems that could cause engine damage if left WRX Pinging/Detonation Under Load, 100% Stock This issue has been brought up a number of times in the Facebook group, but I haven't seen a good thread on NASIOC about it yet. I can recreate it at will and it will get louder the harder I push it in lower RPM ranges. Looks like I have a project tomorrow. 2; Total Mileage: 129,000; My car is mostly stock. A heavy, yet dull metallic knock is typically crankshaft knock. and on hills and get the engine under Pinging is a descriptive name for detonation. The thing is, it would only do so when warm. Before I changed my rod bearings I had noticed a slight pinging noise under moderate load from 3000-4500 rpm. under the hood, problems that could cause engine damage if left unresolved. 7L] engine a700 automatic trans, the problem i have is engine ping under load when warm & hot i have set timing at o degrees with timing connector unplugged and replaced detonation sensor and also checked function by tapping on block next to sensor and checking to see if it retards timing with timing Pinging is a very distinctive noise and I don't think anyone that has heard an engine pinging would describe it as a chugging noise. Tuning issue; light pinging under load. These numbers don't seem overly high to me, but I'm still getting pinging under load (not WOT), though not as bad as the day I brought it home. The design was common on early 15. 6. Chevy 350 pinging under load? SAVE CANCEL. The ignition is advanced so Preamble: The Otto Cycle engine,is very inefficient, it wastes energy all time, at about 80% of the heat energy in the fuel, is wasted. The check engine light came on and gave a knock sensor code P0332 and P0463 fuel level sensor? I don't know what these have in common. Has a Nissan VQ35 engine with only 80K on it. When I had the 20,000 mile service done, an updated engine firmware was loaded, which helped briefly, but the pinging returned after about a week. Engine pinging is a very serious condition, that if allowed to continue unchecked, can cause catastrophic damage to your engine. 240 pinging under load. Spark Knock is a pinging noise, rattling or knocking which might be heard while the engine is working hard under load (passing on the highway, towing a trailer Vehicle Information: Model: 911; Year: 1987; Body Type: Targa; Engine (type, size, modifications): 3. V8 Pinging under load - Ford Modifications I back off the gas because i don't want to do any harm to the engine but it feels as though she's got plenty more go in i have a 1991 gmc sierra with a 350 ci [5. i don't believe there's a reason to when i can at least get the initial right and then set the adjustable. the Adjusting Timing for Ping The engine is under such LIGHT load Light pinging will definitely be occurring on every cylinder firing. Very much like a high compression gasser running on low octane gas. Or run it up a hill, again in 5th gear at low rpm, you should also hear a loud ping. It was a 90° design with an L-head If you have a late model Ford vehicle, the engine likely has a Mass Air Flow sensor. 0L V6. SYMPTOM SUMMARY The engine “pings” or knocks on acceleration. "Pinging" is the metallic rattling sound an engine can make when accelerating. 3(2E). Could it be pinging that starts only from 2800rpm on, or would it be pinging at lower r The engine pings when it heats up- more under a load. The day I had heard it was the last day I drove my M untill the rod bearing change. The dealer’s Engine Pinging Under Load? What causes an engine to ping under load with 87 octane but not 93 octane? More questions. Replied by grg8888 on topic d16y7 Pinging under load It's been 40,000 miles, enough time for an old engine to build up some carbon in the cylinders. 1997 ford truck v6 (4. The shake from the engine each time it happened is quite noticable. L-head. 5. No CEL. your exhaust, it is with your engine. The 460 motor in Ol' Yellar pings under load. The engine controller is designed to make maximum power at 182 deg F. Found this in the manual: "Now and then you may notice light spark knock for a short time while accelerating OR driving up hills. Right means passenger side, left means driver’s side ULTIMA® #53-644 Programmable Digital Ignition System • DESCRIPTION The Ultima® Digital Ignition is designed to provide the correct curves and total timing for KOMTRAX is Komatsu’s remote monitoring system. Spark Knock - AA1Car www. More carbon means more pinging. My mustang is pinging. It seems to ping more often when hot. Sept. This may be caused by using gasoline with an insufficient octane rating, carbon buildup within the cylinder itself or improperly functioning spark plugs. This reduces power a bit but protects your engine against engine spark knock. 2011 Jeep Wrangler This problem may be covered under warranty. If you rebuild a qjet, do not give the engine any gas at the first start up or you will potentially blow out the accelerator pump. Jennies Garage. The various TSB's state that the issues are: DPFE failure Coil Pack problems PCM programming errors '98-'00 (TSB Article 00-24-08) Dirty MAF (TSB Article 98-23-10) Excessive Timing (static or advance) Improper fuel The two above are usually diagnosed as a rattle or "ping" from the valve train (top of the engine) and occurs typically when the engine is under load. The engine pings when it heats up- more under a load. Solved problem. The motor is actually a built 429, bored out to 460. What Does Engine Pinging / Detonation Sound Like Jennies The multiple flame fronts collide, creating shock waves that produce a sharp metallic pinging or knocking noise. If the engine really is pinging, take it to another dealer for a check. My truck pings under load (climbing/accelerating even the slightest) at highway speeds (60 MPH/100 KPH) when the engine and outside air temperatures are warm. 3, I work at Autozone so I picked up a set of Check out the 7 Steps To Power & Mileage for your Jeep Wrangler 3. My 98's engine pings lightly under a load, and my dad's 92 Explorer pings VERY BADLY on the highway. engine pinging under load Why would your motor ping and knock when under a load? Timing to far advanced, over heating, octane to low. Few weeks ago we had hot weather and I noticed my engine pinging under light load 1500rpm 30 to 40 MPH. 2014 · Few weeks ago we had hot weather and I noticed my engine pinging under light load 1500rpm 30 to 40 MPH. Question: I have a 1989 Honda Accord Lxi which knocks and pings when it is under load unless I use super premium gas. Pinging or lifters making noise under light load especially when MDS (4cyl mode) is active? Engine knock/pinging 5 Answers. its done nearly 300,000ks. The check engine light has never A misfire under load complaint can usually be broken down into 2 categories. Your pcm will retard your engine timing through it's knock retard program to protect the motor. knocking, pinging under load. I recently changed the carburetor to a 750 Edelbrock unit, and that seemed to reduce the pinging by itself. Engine pinging under load. and it get worse during hot days. USUAL CAUSE Engine ping is the result of abnormally high combustion temperatures. My 98 Vortec 5. MG MGB Technical Backfiring, pinging under load and wobbly timing m BBS discussion this went away once the engine was warmed up and I drove the rest of the V8 Pinging under load - Ford Modifications I back off the gas because i don't want to do any harm to the engine but it feels as though she's got plenty more go in The EFI engine uses the cylinder cooling effect of the EGR system to prevent preignition during acceleration or any time the engine is put under a load. Page 2- WRX Pinging/Detonation Under Load, from the perspective of the engine at a whole, is to simply limit load under about 2500rpm. Spark plugs are one of the most misunderstood components of an engine. The "knock" under load, whether from pre-ignition or other cause, is very different. What's actually going on when pings? Kenny Tom: Pinging, knocking and This noise does not happen until the engine has reached normal operating temperature - less than 5 minutes of driving and the gauge right in the middle where it normally sits. For cold starts, it runs about 60 lbs of oil pressure, dropping to 40 lbs when hot. The bike definitely starts and idles better with 87 octane, but I can't risk the engine damage under load. Its job is to feed fuel and air Weights and measures officials throughout the State routinely inspect gasoline and diesel fuels sold for use in motor vehicles. It sounds like there is something loose in the engine rattling around. 2007 · 2001 chev silverado with a 5. Just the other day I got in the car an started it up and out of the blue it started running like this. my truck has recently started knock and ping when the engine is under any type of load. has recently started knock and ping when the engine is under any type of load. already exists. Bigger image. 1st Gen R53 Cooper S Engine Pinging On my long drive home I noticed it pinging on acceleration from 2500 to around 5000 RPM when 3/4 to WOT and under a load. What causes a knocking pinging sound under load - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. Premature ignition causes, among other things, carbon build up. Re: pinging sound, possible detonation ? It does it under light acceleration. Mine was a rather violent noise that sounded like a sledge hammer was being pounded against the block, sometimes more than 1 time each second. An engine knock will be a deep sound that eminates from the engines lower section and will be present under almost all operating conditions. The carburetor is to your car's engine what your heart is to your body. S Keith, Nov 23, Has anyone experienced an engine knocking or pinging at low loads? Like at When load of the engine is high especially when driving uphill it will send a signal to the control unit indicating that the engine has high load, using the information the control unit will calculate the data to adjust the engine operation and avoid the pinging sound. My 2014 Mitsubishi has been pinging for at least two Hi, I already posted a topic a few days ago about my mgb producing a mechanical rattling (or knocking?) from 2800 rpm up under load, but only after a few miles, when 22. 3L 4EFTE engine needs to run on super or premium unleaded otherwise I get a lot of ratting sound from the engine. Putting the engine under a load and heating up the surfaces of the combustion chamber contributes to the problem. you have to only apply a constant pressure on the accelerator so as not to get the pinging. The terms valve clatter, pinging, pre-ignition and detonation describe the strange rattle or knock coming from an engine. The pinging only happens under load. Backing off the throttle stops the pinging and it usually doesn't come back a few moments later when I try full throttle again. the truck will throw code p0300. 3L L33 engine. maintenance & nonperformance I've put the correct spark plugs in, checked for vac leaks, and did the water treatment to the engine. The Prius engine is not high compression, nor would I expect the ICU to allow it to ping/knock even with bad gas. I used Autolite Double Platinum that doesn't ping before the head gasket job. The higher the compression ratio of an engine, the higher octane it requires to prevent pinging or (preignition). S Keith, Nov 23, Has anyone experienced an engine knocking or pinging at low loads? Like at I've got a GA16DE 1993 Sentra XE 4dr which is pinging under load now. it only happens at a lower rpm when the truck is under a load. The "soft" misfire, often called a surge, is commonly associated with fuel related issues. Premium fuel and downshifting mitigates the pinging some, but not completely. the sound is actually a high If not, try to reinstalled the old spark plugs if that f. He said he had cleaned the maf and it still did it. The car has been for multiple tune-ups and it seems that the engine is not able to adjust its computer enough to correct the ignition to the right point. It sound just like what happens if you are use crappy fuel. What causes your engine to ping under load? SAVE CANCEL. Pinging under a load I added an aftermarket chip and on my first drive the engine knocks and pings only when about 50% or greater throttle and under a load, not You did not mention when this pinging occurs (all the time? idle? lugging under load?). A more distinct knock is routinely attributed to worn rod bearings. so i've been noticing this chirping sound (or pinging sound). Spark Knock is a knocking, rattling or pinging noise that may be heard when he engine is accelerating or is working hard under load (driving up a hill, towing a 12 Aug 2015 What are the options to stop an engine from pinging/knocking? And pinging only occurs under acceleration/heavy load so it should be all You're not really doing yourself a favour with that, and neither are you doing the engine a favour. I am having problems with detonation/pinging under load. More specifically, under hard acceleration and going up steep grades. "Pinging" or preignition is the precurser to detonation. I've dialed in the timing as prescribed by the forums but the pinging persists. The two above are usually diagnosed as a rattle or "ping" from the valve train (top of the engine) and occurs typically when the engine is under load. Funny coz im having this same issue, I bought the car from this old fella about 4 months ago and it would ping under load at the same mentioned RPM range. This problem however cannot be timing chain related, and I tell you why: there's no pinging when in Neutral, at any RPM. There is no mistaking it for valve clatter. It happens under a heavy engine load at full throttle. It doesn't matter what kind of ignition you have, if the advance curve is not set properly it won't make any power. 2018 · 2011+ Engine Related Questions - Sub-Forum to the new engines that debuted in 2011. (gasoline/petrol)How does one set the ignition timing on a Ford Bantam pick up? - My 2006 1. Dealer replaced Engine knock sensor. Run higher octane gas and you will never have to worry about it. These hot spots will cause the detonation (audible ping) under load. Pinging is between 1000 & 1500 where it goes away, and only under a light load, like up a 15% grade (6-7 degree slope)in second. Ford issued multiple TSB's (Technical Service Bulletin) regarding "Spark Knock", "Detonation" and "Pinging" in the 3. Under ideal conditions the common internal combustion engine burns the fuel/air mixture in the cylinder in an Sep 21, 2012 This is a car engine that has a ping. The engine only has 84,000 miles on it since it was rebuilt in 2013. Under heavy load at 3800 RPM and higher, I get tons of pinging. I have a 2004 I35. Numerous questions have surfaced over the years, leaving many people Rear always means back of vehicle, for instance, the rear of the engine is the part closest to the rear bumper. once the transmission shifts the pinging goes away. Oil is good, all filters and fluid levels are good, but when in second gear and accelerating under a load (uph Pinging Noise Under Load While Accelarating. Pinging under very low load. If he has the vacuum advance connected, the spark would be advanced even more than it is now when at load under higher rpm. If the sensor is bad it can cause detonation, detonation is when the fuel explodes before the valve is closed and can cause a cracked, or exploded piston, bent valves etc. Maintenance/Repairs. aa1car. I have a 326 with 200 hrs on it. Ideally pinging should not be left unattended to. Engine ping is 21. (knocking or pinging when accelerating or under load), Pinging is more noticeable on a warmed up engine when it’s under load as well as other engine damage. 2010 · '94 5. Loudest when the engine is under load or acceleration, crankshaft knock can be diagnosed by paying close attention to the specific type of knock: A regular, rumble-like knock is often from worn main bearings. Pinging occurs when the fuel mixture in the cylinder ignites and completes its burn before the piston reaches the maximum Spark plug construction. So two weeks ago I put a bottle of seafoam in it and filled it up with E85, knock went away completely, so next time I filled up I went back to gas, and so Looking for the best way to eliminate or reduce the pining I get under load for my 69 429 2bbl Mercury Marquis. i had my dad ride with me, he said it sounds like pinging when a vehicle doesnt get the proper octane. Posted by SpudFire . This occurs on acceleration with the engine under a load. 3(2E). I searched threads about pinging and saw to clean my MAF, where is that located, how hard is it to get out? I have a pinging noise under load. I can understand how that condition would cause pinking (pinging). Light knock, engine hot, under light load conditions. Likely to be the starter motor gasket (PN 31488-81) that is weeping primary fluid. In short, under light to moderate acceleration (unloaded) I get a very perceptible and audible engine knock/pinging sound. 3 litre. 4k pinging under load Discussion in 'Engine & Performance' started by bchap05, Aug 19, 2018. It's not a big deal, I can ride around the problem (downshift to pass on the highway), but I wonder if this could be completely cured? MG MGB Technical Backfiring, pinging under load and wobbly timing m BBS discussion this went away once the engine was warmed up and I drove the rest of the Light knock, engine hot, under light load conditions. You should hear a loud ping when either running at very low RPM under load try running in 5th gear at a low RPM and giving it some gas. I raise the deck door and it sounds and feels like coming from the deck gear box. O2 sensor goes flat line during that time, but works fine other times. It usually happens during acceleration when the engine is It usually occurs when the vehicle pulls away from a stop and the engine is under a lot of load. 2) pinging when under load. Also the engine is under much less load. The car doesn't ping once I romp on the gas, but under load with It is nearly impossible to accelerate and put the car under load without hearing some pinging. Lifters and pushrods don't care about engine load, and no more pinging under load and it runs fine on 87 octane 18. I know the engine is supposed to get a higher octane gas then is now available in most gas stations here in Ontario. The usual cause of engine ping is over advanced ignition timing, an inoperative EGR system or improper fuel usage. 6i ford pick up pings under mild load from about 3000r/min upwards only when theOil on the top of the motor, right behind the rear cylinder, under the starter. Pinging Under Load - Need Advice -SeaFoam? Share. It idled and worked fine when the engine was "cold. This happened a good number of times back in the summertime. 29. Ford Ranger / B-Series :: 1994 V6 Engine Knock Under Load. This is a car engine that has a ping. As far as I know there is no real fix for it. I've seen test mule engine pulls using both methods and there wasn't more than 3-4HP diff on a 350HP 350Chev across the RPM band, 1. I have done the seafoam thing, no difference, so I wonder about the carbon on the pistons. When outside air temperatures are cold (say -10 degrees celsius or colder) there is no pinging. The preceding paragraphs have given you a number of engine pinging causes and some steps you can take to correct them. When an engine pings, it releases pollution into the environment Engine spark knock sounds like a metallic knocking, pinging or rattling noise Engine spark knock may occur when the engine is working hard under load and You're not really doing yourself a favour with that, and neither are you doing the engine a favour. I've ridden lots of Harleys with loud exhaust and lugging them along at low RPMs under load make a noise you might describe as "chugging" but that is not pinging. ping disappear. Valve ping is when the fuel is not properly burned and tries to explode before the valve is fully closed and it will make a pinging noise when under load or at higher RPM. Recently bought a 370 and have some pinging too under light throttle + some engine load. Now, it's pinging even more, mainly under load after taking off. Spark Knock is a knocking, rattling or pinging noise that may be heard when he engine is accelerating or is working hard under load (driving up a hill, towing a trailer, passing on the highway, etc. The diesel engine is an internal combustion engine that uses compression ignition, in which fuel ignites as it is injected into air in the combustion chamber that has Distributor advance. I am sure it is not the compression ration since it never pings under heavy load/acceleration and octane # doesn't change anything. I change gear early for reasons of economy, and being a fairly new driver I don't always time it right and the engine can struggle under load. Loading. The combustion is started by the spark plug some 10 to 40 crankshaft degrees prior to top dead center (TDC), depending on many factors including engine speed and load. the truck has 160,000 kilometers. I should also add that I use 16 ounces of Power Service and 8 ounces of Marvel Mystery Oil per tank. And it generally doesn't come and go under load. It almost sounds like the timing is off or something. and reclean the maf just to be sure about the condition of this 170k engine before doing anything, or would you richen it my motor is pinging (classic rattling spoons noise) when the car is under load such as going up a gradual hill or when accelorating in a low gear before the tranny can shift. Octane rating is a relative number which represents resistance to ignition. - The Murano has a timing chain. BUT, I will bet that if I were to get into heavy traffic and the engine got hot my engine would ping with 87. I can tell you for a fact that any piston that has a dome in a 440 with 906 heads will detonate on pump gas. htmSpark Knock is a knocking, rattling or pinging noise that may be heard when he engine is accelerating or is working hard under load (driving up a hill, towing a Detonation occurs because fuel is subjected to either too much pressure, too much heat or both. Metrics: *I live in California *I have a 2008 XR650L that is bone stock other than a couple cosmetic changes *Bike has ~3200 miles So, its my understanding that XR650Ls tend to run a bit lean, especially the CA models with all the smog junk on them (which mine still has). The Type 51 was the first Cadillac V8. KOMTRAX provides information and it provides answers. It goes away at higher RPMs. So, that's the story so far. 5: Detonation ("Spark Knock") Pinging is that high pitch ringing sound that an engine sometimes makes when the throttle is opened with the engine under load. If he has the vacuum advance disconnected - and the engine is correctly timed - he would not normally get a pinking (pinging) at higher rpm. 2012Engine spark knock sounds like a metallic knocking, pinging or rattling noise Engine spark knock may occur when the engine is working hard under load and Spark knock (detonation) is an erratic form of combustion that occurs when It usually happens during acceleration when the engine is heavily loaded and Engine knock or pinging is knocking in spark-ignition internal combustion . I've ran multiple fuel cleaners, and tuned the truck up recently. and on hills and get the engine under Under ideal conditions the common internal combustion engine burns the fuel/air mixture in the cylinder in an orderly and controlled fashion. Re: Why is my engine pinging under load? « Reply #35 on: October 30, 2013, 07:22:09 PM » the timing light will only get me dialed in. Such as going uphill or making a turn into an incline. The harder the load, the worst the pinging. It pings very rarely and when it does, it's only under heavy load. Pinging is that high pitch ringing sound that an engine sometimes makes when the throttle is opened with the engine under load. Hi, I already posted a topic a few days ago about my mgb producing a mechanical rattling (or knocking?) from 2800 rpm up under load, but only after a few miles, when the engine becomes hot. my motor is pinging (classic rattling spoons noise) when the car is under load such as going up a gradual hill or when accelorating in a low gear before the tranny can shift. 2013 · So I have a motor that once it is warmed up there is an engine knock only under load and it goes away at higher RPM's No noise when cold Could it be pinging Infiniti G35 -- Engine pinging. When put a slight load on the motor, like going up a bit of a hill, it starts to ping quite a bit as soon as the converter locks up both in 3rd and OD. causing a knocking or pinging sound. I had tried all different brands of fuels. Remember how at a stand still, you can dial in all sorts of advance w/o detonation- because there's no load. Detonation occurs when excessive or pinging when where the engine is forced to work hard under load, 14. Engine spark knock may occur when the engine is working hard under load and cause the PCM to retard timing. Since the engine has a small cam and a 2bbl, I'd love to get it running on regular gas if I can. Alex from Lynchburg Virginia sent in these excellent suggestions: Hey, my name's Alex and I have an 88 mustang with a 2. Pinging Engine, Jeep John Deere g knocking and pinging under load. 8L PINGING UNDER normal for this engine to ping under slight during acceleration or any time the engine is put under a load. Engine knock is the curse of highly tuned engines