Question about 1987 Buick Century

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Ok we changed the ignition module in our 1987 buick century, 2.5 liter and now when you start the car it just dies continuiously but once we get it started it will go but acts like it wants to die at stop lights, what can it be? is it the map sensor? we already changed the oxygen sensor, ignition module,spark plugs,new battery. please can you tell me what it could be?

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  • stressedoutm Apr 23, 2010

    well this car has no distributor so it is in the back of block with coils

  • Clint Smock
    Clint Smock May 11, 2010

    I can't remember exactly when they switched the ignition system on the 2.5. Was the module you replaced on the back of the block with coils mounted to it or is it in a distributor?

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  • Master
  • 4,669 Answers

Did you replace the crank sensor that is bolted to the back of the module? Is it possible that you got two of the plug wires switched. Or maybe 1 of the two coils is bad.

Posted on Apr 23, 2010

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