My 2010 gmc has a misfire code and pinging sound what could it be

plug, injector, injector wiring, bent valve, vacuum leak cam follower problem, ECM plug , ECM

How to Fix error code P0300 for random misfires on your car ...

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Oct 15, 2010 - How to Fix error code P0300 for random misfires on your car ... amisfire (code P0304) on a 1999 Mercury Villager 3.3L · How to Fix error code P0500 ... I reset my codes and it ran fine for a couple of days, then I started getting ...

(code P0305) on a 1999 Mercury Villager 3.3L - auto repair

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Sep 7, 2010 - The vehicle is a '99 Mercury Village, 3.3L, with 150000 miles on it. The chief ... How to Fix error code P0300 for random misfires on your car ...

2000 Villager Misfire - Car Forums and Automotive Chat ...

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May 24, 2010 - 2000 Villager Misfire Villager Car Forums. ... i was told that the 3.3L engines of 1999-2002 nissan quests/ mercury villagers are INTERFERENCE engines! ... Hope the following may help, and I will post if my last fix works. ... I have a 1999mercury villager that is showing a random multiple cylinder misfire ...

Rough Idle - 2000 Mercury Villager - RepairPal

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Repair the code issue, because your Villager has OBD-II which is a very helpful Diagnostic system. Upvote (4) ... My 1999 Villager was running poorly; rough idle, lack of power at highway speeds and the engine problem light indicated random miss-fire, etc. I had new spark ... Have code po306 cylinder 6 misfire detected.

P0301 - OBD-II Trouble Code - RepairPal

The hum is probably a bad wheel bearing.

P304 is a cylinder misfire code.


P0304 GMC Cylinder 4 Misfire Detected

You will need to have it scanned to get the code, sounds like an engine misfire. Most large chain autoparts stores will scan the computer for free and tell you the code

These engines don't rattle and especially ping unless they are hot. And the sound of fluid thru the heater core. Tells me you are low on coolant. The engine is not cheap to replace.

Catalytic converter is bad or clogged.

the p036 i believe you forgot a zero but that would be a misfire in cylinder 6 2nd from the back on the passenger side.p0171 is system is too lean on passenger side p219a fuel trim balance bank one which is passenger side . Take it to gm hopefully it is still under warranty

Sounds like you have a couple of leads on the wrong plugs or in the wrong place on the cap.

TRY LUCAS OIL,I USED A FULL LITRE FIRST,WILL LET YOU KNOW HOW IT WORKED.BEFORE THIS I CHANGED OUT TWO ROTTEN LOOKING KNOCK SENSORS,THEN TWO WEEKS LATER REPLACED THE REAR ONE AGAIN,AND IT FAILED AGAIN.AND SO I AM NOW TRYING THIS NOTICED A BIG DIFFERENCE IN POWER NOISES,NO PINGING,NO RATTELING LIKE IT IS A DISEL.