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rough idle...what am I missing? 850

posted by  Champ 6 on  Thu Apr 17 11:51 CST 2008
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last visit: Sat Sep 18 10:02 CST 2010
[RELATED]

No change after cleaning the MAF. I'm really baffled. Givien teh regularity of teh miss, I was really thinking bad sparkplug/ ignition, but it's all recent and even brand spankin' new plugs didn't change it, or a a tired cylinder or burnt valve which neither the compression gauge nor a vacuum gauge indicated.

The idle speed is fine, it's just one 'weak hit' per revolution (or I guess every other revolution). Power and milage are fine, just a lumpy idle.






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