1998 Pontiac Grand Am

1998 PONTIAC GRAND AM
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MONAY0025
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  • 1 POST
Engine Mechanical problem
1998 Pontiac Grand Am
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when i drive my car it makes noise and black smoke come from out pipe, what could the problem be
Jul 14, 2008 at 3:17 AM
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MMPRINCE4000
  • CAR REPAIR CONTRIBUTOR
  • 8,548 POSTS
The black smoke is a rich exhaust, could be caused by any number of malfunctioning sensors.
Get the error codes read, the rich exhaust will overheat the CAT and it will need to be replaced.
Jul 14, 2008 at 8:58 AM
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