Question about 1997 Pontiac Grand Prix

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Problem with my pontiac 97 grand prix

Recently the car have too many lights on inside
like CHECK ENGINE SOON , ABS, CHECK TIRE PRESSURE, LOW TRAC, im really so confused why these light s coming up?

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  • boris_20004 Jan 12, 2009

    not at all , we have been make any change on the car.

  • boris_20004 Jan 13, 2009

    thanks a lot , i will do that as soon weather get better. i live in chicago
    weather its **** right now.

    thanks a lot . GOD BLESS YOU!!!


  • boris_20004 Jan 15, 2009

    yes lights are the same all the time

  • Chris Hall
    Chris Hall May 11, 2010

    Are the lights on all at the same time or are some on while others are off? Is the vehicle running any differently than before? And, did any event take place just prior to this problem arising (change in battery, wreck, etc)?



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  • 61 Answers

I suspect that your problem lies within the vehicle's ECC (Engine Control Computer). Prior to replacing it or having it tested, I would try re-setting it. You can do this by pulling the fuse (for good measure) to the ECC and disconnecting the negative battery terminal for thirty seconds.

During the time you have the power disconnected to the ECC, I would go ahead and check all the connections (make sure they're not only connected firmly, but also free of corosion). Electronic connector cleaner and a soft bronze brush (available at electronic supply stores) can be used to clean the connectors if necessary. After cleaning the connection, coat the wire ends with dielectric compound if it was used previously.

I believe the ECC for your vehicle is mounted under the hood on the passenger side wheelwell (front side of the strut tower).

Hope this helps and good luck!

Posted on Jan 12, 2009

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