1998 Pontiac Grand Am

Tiny
MONAY0025
  • MEMBER
  • 1998 PONTIAC GRAND AM
Engine Mechanical problem
1998 Pontiac Grand Am

when I drive my car it makes noise and black smoke come from out pipe, what could the problem be
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Monday, July 14th, 2008 AT 3:17 AM

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Tiny
MMPRINCE4000
  • EXPERT
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.
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Monday, July 14th, 2008 AT 8:58 AM

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