Question about 1993 Pontiac Grand Am

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1993 grand am no spark

This is a 2.3 quad4,car ran fine when i shut it off
now it has no spark,ive changed the crank sencor,the coil pack,the ecm modual,the oil pressure sencor,and still no spark,it doesnt have a cam sencor
im stummped on what too check next

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  • Dennis Mulford
    Dennis Mulford Jan 25, 2009

    it has no cam sencor according too the book or that io can find

    if it does have on wheres it at?



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You said you changed the ecm module, is that the ecm or the ignition module. Do you have access to a scanner to check cranking rpm? That way you can test the new crank sensor and the wiring and the ignition module.

Posted on Feb 27, 2009

  • Clint Smock
    Clint Smock Feb 27, 2009

    How are you checking for spark? The easiest way to check spark on a quad 4 is to lay the ignition hat up on the wipers and run plug wires from the coil adapter towers to the plugs. Then you can check one at a time. Don't forget to run a jumper wire to the hat to ground it or it will shock you and quad 4's have enough voltage to kill you.


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Posted on Jan 25, 2009


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