Question about 2000 Mercury Grand Marquis

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Engine dies reaching operating temp car dies. eliminated fuel pump, crank sensor, engine temp sensor, cam sensor. any ideas anyone

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  • Bonnie Ya?ez
    Bonnie Ya?ez Feb 22, 2012

    Could it be the alternator? Fuel injectors? is it leaking?

  • Anonymous Mar 26, 2014

    runs good, then poor operation. crankshaft/cam sensor problem???

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  • Mercury Master
  • 946 Answers

Does it have an IATC or idle control valve? Did you remove the battery cable for ten minutes,rehook it up,start it and let it idle for 5 min. and then drive it for 10 or more miles? That will reset the computer to your driving habits they tell me.
Now,cleaning the MAF sensor and installing a new air filter would be a good move.Do this before you unhook the battery to reset the computer.

Posted on Feb 22, 2012

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