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1990 Pontiac Grand Prix starts and quits

Tiny
DRL56
  • MEMBER
  • 1990 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
It starts and quits. It has good fuel press. New ing control mod. New crank sencor. And a new pcm. Where do I look from here on in
Monday, January 28th, 2008 AT 7:03 PM

4 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Can you keep it alive with the throttle? Set up a spark tester and get a "noid" light so you can see what it is losing that is making the engine die. No big vacuum leaks? Any work done recently?
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Tuesday, January 29th, 2008 AT 7:31 AM
Tiny
DRL56
  • MEMBER
  • 7 POSTS
It has a new computer. New fuel pump good press. New crank sensor. And new ign mod
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Tuesday, January 29th, 2008 AT 8:04 AM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Still need to know what is missing. Spark? Injector pulse?
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Tuesday, January 29th, 2008 AT 10:38 AM
Tiny
DRL56
  • MEMBER
  • 7 POSTS
Ok it runs now. But when you give it gas it wants to stumble. No check engine light.
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Friday, February 1st, 2008 AT 11:33 AM

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