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misses and blows black smoke


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Jan1927
New User

May 21, 2017, 9:48 AM

Post #1 of 2 (518 views)
misses and blows black smoke Sign In

1993 Pontiac Grand Am , 6 cyl , over 100,000 mi , ran ok till yesterday , runs ok when at idle but as soon as I start to back up the driveway it starts missing real bad and blows black smoke , don't know if it makes a difference but it does have a bad exhaust system


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 21, 2017, 12:31 PM

Post #2 of 2 (510 views)
Re: misses and blows black smoke Sign In

Start out by reading the codes. You can get flash codes by jumping A and B or the ALDL plug.



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