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Old 03-31-2004, 02:13 PM   #1
kirstyns
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Join Date: Mar 2004
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95 Corscia

i HAVE A 95 CHEVY CORSCIA AFTER MY HUSBAND CHANGED THE SPARK PLUGS BECAUSE THE CAR WAS MISSING OUT HE BROKE ONE OF THE PLUGS OFF AND AFTER A FEW DAYS HE GOT IT OUT BUT THE CAR IS MISSING WORSE NOW THAN BEFORE ANY OF THE PLUGS WERE CHANGED IT ALMOST WANTS TO BSCKFIRE NOW CAN YOU PLEASE TELL HIM WHAT HE COULD DO TO FIX THIS PROBLEM
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Old 04-01-2004, 06:29 AM   #2
cobra1
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Join Date: Nov 2002
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first, go back and make sure ALL the plug wires are going to the right plugs.

second, is it a 4 or 6 cylinder?

the ignition module on the 6 cylinders has been known to drop two cylinders and thus only run on 4. the 6 has three ignition coils mounted on it with each coil operating two cylinders, and if it drops cylinders it'll drop two from the same coil.

you can check this by starting the car and removing a plug wire with something insulated so that it doesnt shock you, listening for a change in how it runs. if it sounds different, that cylinder is firing, if it doesnt change, then its not firing. put that wire back on and repeat this for the others. make notes of which are firing and which are not.

post back with what you find out.

hope this helps
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