Question about 2004 Audi A4
Without any warning the check engine light came on and the car acts like it has either a clogged fuel filter or a vacuum hose disconnected. Put it on a diagnostic machine and it says misfire of cylinders 1,4,6. have'nt looked into dealer service yet.
Coil packs are a very common problem on the 3.0L ASN engine. Often these are covered under an extended warranty due to the widespread issue. If not push for a goodwill contribution.
If you can delete the faults and see which cylinder misfire returns, and just replace this at first. The others may just be a one off. 3 at once is unlucky (but not unheard of). With 6 cylinders it may be worth carrying a spare.
Posted on Jan 21, 2009
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Posted on Jan 02, 2017
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