Question about 1999 Pontiac Grand Am GT

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I have a 2001 sunfire 2.2 engine, changed cranksensor, camsensor, car spins but wont start, coils are fireing. before that it was overheating, still wont start. it has 227106 km on engine, do you thinks it the timing chain ? need help its been huge probelm

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  • 3 more comments 
  • Darwin keepness Apr 17, 2009

    the car seems to be getting fuel, and there is no noises , I have taken out the plugs there is gas on them, i have done compression test on 1st cyl is 60 psi, 2cyl 40, 3rd 60, 4th is 120 , and have added a bit oil to the cylinders and the compression did come up a bit. Does this mean the rings are gone and its time for new engine ? i was going to try the PCM, but after the test i called quits.

  • Darwin keepness Apr 18, 2009

    i have not mentioned, i got code P0300 , egine misfire detected by pcm for the same 2001 sunfire,

  • Darwin keepness Apr 22, 2009

    i have now replaced fuel filter, fule pump, coils are firing, i have checked the fuel regaultor, there is fuel coming throught it to the return, i have two things left , the timing chain and the PCM. what do think, would like additonal help

  • Darwin keepness Apr 25, 2009

    Thanks ,i;m buying and engine anyway

  • bharris727 May 11, 2010

    Are you getting enough fuel? The chains are ussaly good for a long time. Is there any new types of noise?

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  • Pontiac Master
  • 14,036 Answers

When you replace crank sensor the crank sensor is going have to be reprogram or relearn before car will crank.

Posted on Apr 20, 2009

  • Jonah Oneal Apr 22, 2009

    looking at compression test the problem is a blown head gasket if your compression is way low and engine over heating

  • crescentshor
    crescentshor Oct 31, 2012

    how do i reprogram or get it to relearn

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