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Re: 1990 Pontiac Grand Am GP NOx
Posted to Emissions Forum on 9/15/2004 3 Replies

OK...we could talk all sorts of theory...but there are old posts to read for that...lets cut to the chase...

Your engine is? a quad 4 I take it? You never actually said, but Ill base it on the TEST WIRE comment... OK...diagnosing misfires on those sucks...yo... Login to read more.

3 Replies Received (View Replies)