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1991 corsica


thomas91275
03-10-2007, 12:08 PM
can anyone tell me what else could be wrong other then coil packs to cause no fire

jsgold
03-10-2007, 02:18 PM
The two parts are the ignition module, which is flat and sits under the coils, and the other is the crank sensor. One or both can be bad. The coils themselves do go bad but generally cause a bad miss, not all will fail at the same time. If car is not firing at all pull the module / coil assembly and have the module tested at a local parts store. If it is OK replace the crank sensor.

thomas91275
03-10-2007, 09:09 PM
ty for the help it was the crank sensor, and it was fun to find ...it is located on the back side of the block closest to the fire wall down low towards the bottom..........Im happy now!

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