The engine runs rough and the tachometer flucutuates
Feb 15, 2010 at 7:22 AM
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2CARPRO JACK
CAR REPAIR CONTRIBUTOR
11,533 POSTS
Sounds like it is misfiring.Is the check engine light on too?If so have it scanned for codes, this will most likely point to the cylinder that is missing.The tach will fluctuate with a misfire as the engine surges, that part is normal for a misfire