Question about 2004 Volkswagen Passat
I have just changed my ignition coil pack and I still have the same problem, engine mis-firing. I have also changed the spark plugs. Do I need to reset the fault codes or reset the computer?
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Posted on Jan 02, 2017
SOURCE: engine ceased VW 2004 PAssat
Let them see the car.
Did you check to see if the vehicle actually had oil in it? Sometimes small shops forget to put oil in or forget to put the oil plug back on.
It may be less expensive to go to your local corner garage at first, but now look at what it is going to cost you.
You may be able to find this engine in the scrap or junkyard. Look for a car that has rear end damage. This indicates that the engine is still good and none of the seals have been shifted because of the damage. Front end damage may cause seals to shift and have an oil leak
Posted on Jul 08, 2009
A flashing check engine light is a critical indicator. That usually means that something went wrong that will damage the emission control system... and that is usually an ignition issue. First off, the OEM plug your car calls for is an NGK irridium... NOT BOSCH and not anything with more than 1 prong. Those NGKs are like 2 bucks and they are the proper plug. Make sure you have these plugs and make sure they are gapped to .028. Next, my suggestion is put all the new stuff on again. Drive it to autozone and have them delete all the codes. Drive it around until the check engine light comes on again, then immediately go back and read the codes. The ECU is smart enough to know which cylinder is misfiring. On these cars, I think they have three banks of two... meaning one "coil" inside the coil pack operates two of the cylinders. So if you get multiple misfires, it's the coil. If you get one misfire it's probably an individual plug wire or plug. Good luck.
Posted on Jul 15, 2009
ihad the same problem.. its not the coils or anything like that.. and any reg mechanic wont know the prob unless they under vw.. u need to replace ur power output stage.. thats what cylinder 3 misfire is.. after i fixed it my car is good as new. i
Posted on Oct 14, 2009
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