Question about 1999 Pontiac Grand Am GT

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1999 Grand Am won't start

I have a 4 cyl. 99 Grand Am with 128K miles. It quit running at a light and refused to restart. Both coils were replaced about a year ago. I had the ignition module tested and it was o.k. There is no spark coming from any of the coil outputs. I replaced the crankshaft position sensor. Still no spark. Is it the computer? Could the alternator or another sensor be involved? In the course of trying to start the car, it is doing some strange things like popping the trunk and may have done something with the door locks. Help!!

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  • Travis Svedberg Dec 26, 2008

    My car did this i came home one night from a friends house and noticed my trunk wide open my door locks where find and no busted out windows weirded me out.... With the car not starting it could be the throttle position sensor on ur transmission dont hold me to it but ask a professional about it.. But with the thing with my trunk it quit doing that...

  • Nicki414 May 18, 2009

    That is so weird I have a 99 grand am v6 3.4 my car doesnt get spark to one coil so I am replacing it today, but my car died while merging onto the freeway. I have noticed everytime I try to crank the engine or mess with the car at all the trunk opens itself....if anyone does know what causes this pleassse let me know!


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My 99 grand am gt starts runs for about 2-3 seonds then shuts off, dont know why. please help???

Posted on Sep 07, 2010

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Wife's '99 Grand Am having the same issue. Wouldn't start this morning after running perfectly yesterday. Found this article and am trying the solution as I type. I will post the result either way.

Posted on Jun 28, 2010

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Alarm is probably stuck on

Posted on Feb 01, 2009

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