Question about 1997 Pontiac Grand Am

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1997 grand am won't completely turn over

I replaced spark plugs and had the ignition module and coils checked they were all fine but when trying to start, it won't completely turn over and I know it's not the battery. the theft light comes on and I'm wondering if it's something to do with that or maybe my timing chain is shot. any suggestions or ideas would be appreciated.

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  • sabra349 Nov 10, 2008

    I have the same problem it acts like it wants to start however it only cranks and seems to backfire at times

  • JamesWenzel Nov 11, 2008

    it cranks like it wants to turn over and fully start but it won't i have not heard it backfire yet though

  • Anonymous Nov 11, 2008

    my car wont turn over had all modules check still wont start what else could it be

  • JamesWenzel Nov 14, 2008

    it kind of does but there are no spark plug wires its a module that sits on top of the plugs instead.

  • Johnny Massengill
    Johnny Massengill May 11, 2010

    by "won't completely turn over" do you mean it stops in mid crank? Or do you mean that is won't start but cranks normally?

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Remember, there are only three things you need for combustion. air, fuel, and spark. If your car isn't starting you are missing one of those things. If your car is backfiring it most likely is a timing problem because the spark is happening at a time when either of the valves should be closed but the are open and that is why you hear the backfire. I believe some of these cars have a timing belt and if you are off by a few teeth (I.E. the teeth on the belt have been sheered off the belt) it could cause a backfire.
One way to check for spark is to take the end of a spark plug wire off and set it lightly back on the spark plug or coil and then crank the car (or have someone else crank the car) and if you are getting spark, you will hear the snap or crack of the voltage going across the wire jumping the arc you made when you pulled off the spark plug wire and didn't put it all the way back on.

Hope that helps. Good Luck

Posted on Nov 11, 2008

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Sometimes my sons 2001 Grand Am does that. It has to do with the Security System. Turn the key to ACC the Security light will start blinking and will continue to do so for 10 minutes. At that time the Security Light will stay on. At that point you can start you car. This works for him. Good Luck.

Posted on Dec 11, 2008

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Ignition Coils gm-02-38-1037.gif

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Ignition Coils gm-02-38-1037.gif

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