1999 Pontiac Grand Prix

Tiny
AMYGIRL0027
  • MEMBER
  • 1999 PONTIAC GRAND PRIX
Engine Performance problem
1999 Pontiac Grand Prix 6 cyl

The service engine soon light came on and it is making a rumbling sound. I just had to replace the power steering pump. I wanted to know what would could be wrong with it?
Wednesday, March 17th, 2010 AT 7:39 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.
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Wednesday, March 17th, 2010 AT 9:53 PM

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