4 Cylinders Misfiring, Engine Codes P0301-P0304


Asked by Jan 13, 2015 at 06:31 PM about the 2003 Volkswagen Passat GLS

Question type: Maintenance & Repair

I have a 2003 VW Passat and I just received information about all 4 of my engine
cylinders misfiring.  Error codes P0301-P0304.

Exactly1 year ago I replaced all 4 ignition coils and 4 spark plugs and now I am having
this issue.  The engine light starts to flash and it sputters after a few minutes of being
on.  It has 160,000 miles and I am trying to decide whether its worth repairing again.
Hoping for any insight anyone has related to this issue.

Thanks a lot!

3 Answers

Tom Demyan

I'm surprised you don't have P0300. Did you clean the MAF? Check for vacuum leaks, EGR?


I do have P0300 Also sorry


clean your maf and the problem will most liekly go away. Dirty sensors can cause alot of issues in a computer driven vehicle.

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