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2007 Audi A4 misfiring of the second cylinder

Tiny
NANSHER1
  • MEMBER
  • 2007 AUDI A4
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 30,000 MILES
Audi preowned less than six months, bought from Audi dealer. My last car. Jaguar, had same problem and they were never able to fix it after many times in the shop. Friend told me the same story with her VW and was finally covered under the "lemon law". Any Advice?
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Wednesday, June 10th, 2009 AT 5:17 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

A miss fire I one cylinder should not be that hard to locate the problem, the need to first do a compression test, check injection pulse, spark & ignition CVA readings, checkfor vacuum leaks around this cylinder, most problems will be around these issues, start here.

Mark (mhpautos)
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Wednesday, June 10th, 2009 AT 6:35 PM

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