1994 Pontiac Bonneville

Tiny
BARWICK
  • MEMBER
  • 1994 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 35,000 MILES
I have a 1994 Pontiac Bonneville with 35K. When you drive the car it intermitenly stalls. It will start right back up without a problem. The dealer changed the computer, ignition switch, cam sensor, crank sensor, ignition pack and module. Guess what the dealer has now been closed and the car still does the same thing. Any ideas Thank you
Tuesday, March 9th, 2010 AT 10:42 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
You sound like you have the same luck as me. Do you know if the ignition module was replaced?
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Monday, April 19th, 2010 AT 8:21 AM
Tiny
BARWICK
  • MEMBER
  • 3 POSTS
Yes the Ignition Module was changed also.
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Monday, April 19th, 2010 AT 8:32 AM
Tiny
JACOBANDNICKOLAS
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It sounds like you have replaced basically everything there is. THe only thing left is the computer itself. Make sure the connections (harness) going to it is tight, clean, and not corroded.

Let me know what you find.
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Monday, April 19th, 2010 AT 10:28 AM
Tiny
BARWICK
  • MEMBER
  • 3 POSTS
Thanks I know everything has been changed. The computer has been changed twice. The harness was checked at that time. The only thing I can come up with is a bad or floating ground. As you can tell by the mileage the car has just sat all it's life Thanks
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Monday, April 19th, 2010 AT 11:30 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
I did notice that. It is one of the hardest things to do to a vehicle. Check for broken or rusted body grounds.
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Monday, April 19th, 2010 AT 1:25 PM

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