Question about 1989 Pontiac Firebird

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What's your problem?1989 trans am wont start

Car cranks but wont start. changed plugs and oil. found gas in the oilpan.

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  • tom latour Feb 24, 2012

    we get plenty of spark on the plugs. we checked the distributor and the everything checks out. plenty of gas although the fuel pressure seems to be a little low.

  • tom latour Feb 24, 2012

    will do. thanks for all the tips. its my son's first car.....hope its not his last.... :-)



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  • Pontiac Master
  • 2,620 Answers

Have you checked for spark at any of the sparkplugs?

Posted on Feb 24, 2012

Testimonial: "thank you....I'm sure we'll be back with more. I think this is a long term project!"

  • 1 more comment 
  • Ricky Peters
    Ricky Peters Feb 24, 2012

    Ok with the key on you should have 40-47 psi if its not within these specs then replace the fuel pump and filter.

  • Ricky Peters
    Ricky Peters Feb 24, 2012

    Before you replace the pump take your mass air flow sensor off and clean it using a non-chlronated brake cleaner let it dry for 10-15 minutes then re-install it and see if it starts.Sounds like it could be the mass air flow sensor causing your problem.

  • Ricky Peters
    Ricky Peters Feb 24, 2012

    P.S. Let me know if the mass air flow sensor cleaning fixes your problem.



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