• Regarding a ticking noise or misfire on 2005-2014 GM V8 engines. Therefore with AFM (Active Fuel Management, formerly known as displacement on demand (DoD)). Engine ticking or misfires seem to be happening on cylinders 1, 4, 6 and or 7 on the effected engines. Causing this ticking or misfire condition may be the result of an AFM lifter.
      • May 10, 2014 · Hi! I have a problem with my Laguna II, 1.8i, yr.2002. After start and driving 10-20km it begin to stalls when idle (on the red traffic ligh...
      • Nov 05, 2019 · If this is an older engine which has over 200,000 miles on it, the Sea Foam additive will give it a power boost. Most importantly, it will quiet the engine down from knocking so much. Check Current Price >> 2) Archoil AR9100. Archoil AR9100 is a great oil additive, especially for cars that use diesel engines.
    • Got an engine misfire code on my 2011 Acadia this morning. I had to move it in the driveway, so I remote started it, and it ran for maybe a minute then shut itself down. The engine was still on the cold start high idle when it shut down. It started manually, but the CEL is on. I called OnStar...
      • Jun 04, 2010 · #8 misfire still present after rebuilding injectors ... there is a noticeable miss at idle cold and warmed up, ... Only a good trusted diesel mechanic can make that ...
      • That means it’s hard to make a diagnosis on a gasket’s condition, but visual inspections are rarely useful at pinpointing head gasket problems anyway. The best way to diagnose a problem is to study the symptoms as they occur and have a knowledge of what they most likely mean. Common symptoms of a blown head gasket include the following:
      • Popping and sneezing through the intake, especially when the engine's cold, means that you have a lean-running condition causing a lean misfire. Backfiring with a loud report is caused when an air-fuel charge passes through the combustion chamber and enters the exhaust system unburned.
      • I have seen some cats with similar issue that they pass injector test warm but have cold misfire. I would say do the cylinder cutout right when you fire it up to see which cylinder it is. Then go from there. I would check that no air is getting past that injector or its not leaking.
      • Jun 21, 2017 · Your dealer is putting you through hell, you think they would be more knowledgable about your problem. Carbon build up is very common in the 2.0T engines like in my Passat which causes misfires when cold, would be rare for this to happen with the VR6 at 42K but the camera will tell you for certain what the upper intake looks like.
      • Aug 28, 2018 · Identifying and replacing the part causing your engine to misfire will quickly rid your car of the shakes. Being proactive as soon as you notice the problem will also help you avoid more serious issues like a blown engine gasket, which is a much more significant repair job.
      • Hi iam suffering with misfire type symptoms my 2004 zt cdti it's fitted with a pier burg maf and synergy ,starts ok no visible smoke pulls really well starts happening when engine gets warm ,thought it could be my ubp as it was noisy changed at the weekend no change now iam wondering if it could...
      • A few months ago, my DS3 juddered and then the engine fault light came on when accelerating when cold. After the recovery van came, they check the code, P1340 came up. I googled it and it said engine misfire. When I restarted the car, everything worked fine and we reset the code and carried on like normal.
      • Feb 05, 2008 · There is a possibility from cold you could be getting an increase in oil pressure lifting the valves slightly of there seats cousing a misfire or even the symptoms of a snapped timing belt (Engine spins over really fast) . I had this problem with my N Reg 1.8 i changed the engine oil to a nice thin one in the winter.
      • I have a 2010 jetta sportwagon that I have been working on. It idles rough and has a cylinder misfire. Have done a compression check and cylinder 3 is 240 which is 90 lbs lower than the other 3. Put air on cylinder and there is no noticeable leakage through the intake or exhaust. Can hear some...
    • Safety Information—Import ant Safety Instructions iv! CAUTION Indicates a potentially hazardous situation wh ich, if not avoided, may result in moderat e or minor injury to the operator or to bystanders.
      • Had the reflash performed by a local dealer today. Stilll have misfire when engine is cold, but now MIL does NOT light. Dealer now says they believe issue is mechanical internal to engine and wants $850 just to tear down the engine to determine what is wrong. I have a hard time accepting mechanical when it goes away with engine at temperature.
      • Cold Start Issues I'm starting by unhooking my battery overnight and seeing if I can get a computer reset. Also, I have an OBD reader on the way and can hopefully read my fuel trim etc.
      • Q: My car has a misfiring problem when completely cold. The Check Engine light also comes on. My first recommendation would be to have the Check Engine light scanned for the code it has produced to ensure that a misfire is the...
      • KOER (Key On Engine Running) On-Demand Test: On the 7.3L, the primary purpose of this test is to check the functionalilty of the High Pressure Oil System and the Exhaust Back Pressure Solenoid. On the 6.0L this test may return Misfire, VGT or Glowplug codes. Requirements to Start (7.3L and 6.0L)
      • I believe I am experiencing the same problem as everyone else on this thread. Engine misfire codes on three cylinders, check engine light would come on, car would buck, rpms would bounce when accelerating from a cold start. Seems intermittent but frequent, with the only pattern being that it happens after starting the vehicle.
      • Apr 16, 2012 · I bought the car with a “little engine problem”: when the engine is cold, in “drive” it runs uneven, symptoms like a cylinder has a misfire and the car shakes. When the car is warm (180 F aprox. 80 deg. C) it runs fine, it accelerates smooth and everything is OK.
    • Allow the engine to idle for 10 seconds, turn the key off, and wait one minute. General Motors (specific) OBD II Drive Cycle . Performing a GM OBDII Driving cycle: Cold Start. In order to be classified as a cold start the engine coolant temperature must be below 122°F (50°C) and within 11°F (6°C) of the ambient air temperature at startup.
      • BUT once the engine has been run for a couple or three minutes at about 1700-1800 revs it will start to miss now and again until after another minute or two it will miss quite often on random cylinders bad enough to make the water pressure gauge jump around. so far I have: changed diesel lift pump changed fuel filters
      • Engine misfires ONLY when cold We're starting to get some colder mornings in Nashville. I have recently been getting misfires when the temperature is below 50 degrees F but everything clears up when the car heats up .
      • Engine still misfires when it is idling and is noticeable until approx 2000rpm Engine has had new oil, filter, coolant and thermostat. Also had new injector seals. Eliminated fuel system (apart from IP) by running it from a can Eliminated injectors - had them tested by a automarine diesel in shoreham Eliminated EGR valve as its disabled
      • The common rail diesel injection system was developed by Bosch. Common rail diesel engines can be found in many modern vehicles including cars, vans, buses, trucks,tractors and earthmovers. The common rail diesel fuel system is a programmed electro-mechanical system for control of diesel fluid (fuel) pressure and flow.
      • Can A Bad Or Nonworking Oxygen Sensor Cause An Engine Misfire I recently replaced the two O2 sensors before the catalytic converter and my car started shaking. I took it to a ‘reputable’ mechanic shop and they performed a tuneup to fix the misfire on cylinder 6.
      • Dec 21, 2017 · Misfire is when the fuel air mixture in the cylinder fails to ignite. If that happens in a diesel engine, that means either the fuel/air mixture is wrong, injection timing is wrong, or the compression is too low. Things that can cause fuel/air mixture problems: Clogged or bad injectors. Bad fuel pressure regulator.
    • Oct 29, 2010 · Vehicle Level Engine, Cooling and Exhaust Engine Technical Service Bulletins All Technical Service Bulletins Diesel Engine - Misfire/Low Power/Hard Start When Cold Diesel Engine - Misfire/Low Power/Hard Start When Cold TSB 05-16-6 08/22/05 MISFIRE, LACK OF POWER, SMOKE, SLOW CRANK IN COLD WEATHER ON INITIAL START UP - 6.0L ENGINE
      • The engine has a noticeable shake at idle and pronounced miss as the revs climb up until about 1600-1700rpm when it smooths out. I had a cylinder drop test done and number one cylinder was at 70% contribution when cold and steadily climbed up to about 95% as the engine warmed up.
      • Carbon clogging and misfires in MINI engines. ... an engine from a 2008 MINI Cooper S with 75,000 miles on the odometer. ... Vocational School Volkswagen VW vw diesel ...
      • My diesel engine has developed a problem with "surging" or "loping." The engine speed changes dramatically repeatedly below 2200 RPM It will jump from 800 to 1500 down to 1200 up to 1800 and so on. Sometimes it will drop below idle speed and shut off the engine. This speeding up-slowing down is constant.
      • I believe I am experiencing the same problem as everyone else on this thread. Engine misfire codes on three cylinders, check engine light would come on, car would buck, rpms would bounce when accelerating from a cold start. Seems intermittent but frequent, with the only pattern being that it happens after starting the vehicle.
      • Jan 05, 2008 · Diesels dont as a rule misfire. They either go or stop completely, that was until they intrduced all this computerised electronic injection systems. If a Diesel has a permanent misfire it is usually injector trouble or it has a compression off on one cylinder. Take it to a diesel specialist and avoid main dealers at all costs.
      • The misfire happens after a cold start with minimal throttle (note the time since engine start in the freeze frame). I'm not sure I completely understand the interaction here with the faulty lambda sensor, since cold start enrichment is playing a role here.
      • The injector may not be holding fuel pressure after the engine is shut off.When this occurrs with a hot engine the heat of the piston vaporizes the fuel.When the engine is cold the fuel sits in the cylinder and causes a misfire on start up until the cylinder clears its self.This might explain why it is not setting a fault code.
      • Apr 09, 2011 · Restoring a Holiday Rambler 1988 coach with 454 V8 in P30 chassis. Having a problem with the engine. When engine hot on the highway, when second venturi of carb is opened the engine seems to die momentarily. It soon recovers generally without stalling. This happens ofter when pulling up a rolling...
      • Hi, I don't have any Glow plugs lights on, but on cold starts, I think I am getting misfires from one of the cylinders. Engine shakes, smoke comes. Goes away after I guess the compression starts to take over. Engine runs normal after that first couple of minutes. This goes on shorter...
    • Nov 06, 2003 · I have a 95 eagle talon ESI(noturbo) and I have a problem with the idle. I think it is the EGR valve but not for sure yet my car had been customed and lots of stuff been removed or changed. But my engine is about the same but i have cold air intake.
      • Jul 27, 2019 · Misfire – A cylinder misfire occurs when the spark plug can’t ignite the air-fuel mixture. This can occur because of worn spark plugs, contamination, cracked spark plug wires, or other problems. Check Engine Light – For many people, the check engine light might be the only sign your engine is having spark plug problems. The ECM is far ...
      • The misfire happens only on a cold start (though sometimes under high load high rpm situations) and typically sets off a flashing CEL and Service Stabilitrak warning. Usually goes away after about a minute and then runs like a top. It has new plugs, new coil pack, new injector on cylinder 1, and it still misfires. Gap is verified to be within spec.
      • Jul 07, 2015 · Check engine light on, misfire and injector codes Check engine light on, misfire and injector codes. GM has issued a PIP bulletin #PIP4924D to address a check engine light on, misfire codes, injector codes on the following vehicles:
      • I have a 2002 3.2 DID Shogun and was experiencing the same misfire type of situation when the engine warms up. I was told by the dealer that I needed a new diesel injector pump (E2000) and then possibly the ECU. He would not guarantee a fix. PLEASE, DO NOT ALLOW anyone to replace your diesel injector pump or ECU!!!!
    • Nov 19, 2013 · Engine check light illuminated, logging lean engine condition trouble codes. Customer may also complain of rough idle, surging under light throttle, ignition misfire etc. Problem: The EGR valve leaks causing exhaust gases to enter the combustion chamber at all times, therefore creating a lean air/fuel mixture. This symptom is most noticeable at ...
      • Popping and sneezing through the intake, especially when the engine's cold, means that you have a lean-running condition causing a lean misfire. Backfiring with a loud report is caused when an air-fuel charge passes through the combustion chamber and enters the exhaust system unburned.
      • Ford Fiesta Mk6 - Misfire on cold engine - Singlish : Our 2003 Fiesta 1.4LX is doing the same type of thing, only 40,000 miles, not as bad as your 1st 2 posters, a misfire/hesitation when cold at light throttle openings, which tends to clear as the engine warms throughly say 5 miles.
      • Aug 31, 2015 · The diesel additive has softened the deposit and it's blown out. The engine gives a very, very occasional cough, like a mis-fire, which I put down to the odd bit of carbon breaking off and being sucked into a cylinder.. This, then is common to all 1.4Tdci engines, as the turbo has a reputation for leaking oil.
      • Aug 01, 2009 · All diesel engines produced after Jan. 1, 2007, must comply with the new regulations requiring the reduction of nitrogen oxide (NOx) and hydrocarbons (HC) by 50 percent and particulate matter (PM) by 90-plus percent more than the previous 2004 emission standards.
      • Do you have an engine MISFIRING problem? Here are a few tips for you! Misfire means one or two of your engine cylinders are not firing. ... misfires happens when your ...

Diesel engine misfire when cold

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Cold starting of diesel engines is characterized by inherent problems such as long cranking periods and combustion instability leading to an increase in fuel consumption and the emission of high concentrations of hydrocarbons which appear as white smoke. Accordingly, a signal indicative of combustion during cold starting and idling operation is important for combustion and emission control ... If the engine is running perfect and all of the cylinders are “firing” you could say there is no misfire. Once the air fuel ratio inside the combustion chamber in any of the cylinders gets interrupted, the engine will misfire. One cylinder can misfire or more than one cylinder can Misfire depending on the situation. Here is a hint.

Nov 09, 2010 · I enjoy reading about the car and learning it. I have a 2002 330ci with 85000 miles and this weekend service engine soon light came on. I unfortunately don’t have a peak code reader nor your code reader so I stopped by auto parts store to use their universal OBD II code reader. It said P1351-misfire cylinder 5 with fuel cut-off. Hi, I'm DieselTechRon. Im a Ford certified Diesel Mastertech who has been with Ford since 1982. I hope this website will serve as a valuable resource for anyone seeking help or advice with their Ford diesel Sep 03, 2013 · Ford Transit 2.2 Diesel Engine Problems: 1- Too much black smoke from the exhaust when shifting the gears or thrusting hardly Several engine components can cause this black smoke, however you need to check the engine for several issues including intake and exhaust system, smoke and emission tests and the road tests 2- Starter motor not engaging ...

The misfire happens only on a cold start (though sometimes under high load high rpm situations) and typically sets off a flashing CEL and Service Stabilitrak warning. Usually goes away after about a minute and then runs like a top. It has new plugs, new coil pack, new injector on cylinder 1, and it still misfires. Gap is verified to be within spec.

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A cold engine requires more fuel, and a warm engine needs less fuel. A cold sensor is a high electrical resistance. An intermittent open condition of the sensor, the connections, or the wiring harness will "trick" the FI ecu into thinking it's about -60 degrees. It will pump in tons of fuel. Carbon clogging and misfires in MINI engines. ... an engine from a 2008 MINI Cooper S with 75,000 miles on the odometer. ... Vocational School Volkswagen VW vw diesel ... Jan 19, 2008 · can anyone help i have a 406 diesel on a 51 plate mileage 334,000 miles serviced once every 7 weeks due to high usage has had a head reskim,complete fuel system replacement including engine fuel parts the problem is that the turbo went (still running ok but no guts) and i got a replacement fitted (by local mechanic)the correct one and now it misfires popping at all driving speeds,took car into ... While you have the injectors out do a compression test. I may have caught my issues earlier if I did. My truck didn’t burn any oil or water the head gasket had the normal external leak. My compression loss was through valve seats and my truck ran ok just a bit hazy and exhaust stank along with cold misfire. The Cummins 6.7L Turbo Diesel is the most powerful engine option for RAM 2500 and 3500 pickup trucks. Producing up to 400 horsepower and 1,000 pound-feet of clean diesel torque, this powerhouse helps RAM deliver best-in-class towing. I have a 2010 jetta sportwagon that I have been working on. It idles rough and has a cylinder misfire. Have done a compression check and cylinder 3 is 240 which is 90 lbs lower than the other 3. Put air on cylinder and there is no noticeable leakage through the intake or exhaust. Can hear some...

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Nov 09, 2010 · I enjoy reading about the car and learning it. I have a 2002 330ci with 85000 miles and this weekend service engine soon light came on. I unfortunately don’t have a peak code reader nor your code reader so I stopped by auto parts store to use their universal OBD II code reader. It said P1351-misfire cylinder 5 with fuel cut-off. .

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The Problem We recently had a message from Jock who has been getting white smoke and misfire when the engine is ticking over (Perkins 3A.152). The engine had recently been rebuilt with a crank re-grind, head skim and piston/liner replacement. When hot and working hard the engine runs fine, seems to have sufficient power and burns clean Funkiiu
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