is it the opti
10-05-2007, 09:32 AM
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Join Date: Jan 2007
Location: Stokes Bay,Ontario Canada
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is it the opti i have a 93 z28 m6 basically stock with 110 000 miles on it and recently i seem to have a miss sometimes at 3k rpm or a 4k or not even at all. and every once and awhile when crusing at a constent speed my check engine light comes on. could it be an o2 sensor, plugs or the opti
