1990 Chevy Corsica afer driving a few miles, loos spark in

1990 CHEVROLET CORSICA
124,000 MILES • 6 CYL • FWD • AUTOMATIC
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KURTISW007
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  • 1 POST
The exhaust system was getting glowing red hot, which means gas is being pumpted and burned in the cataliysit convertor. So I checked the spark. The car has three coil packs 2 pistons per pack. I found no spark in one set and checked to make sure that it was not the wire. one of the two wires had spark from that coil pack. so i installed a new coil pack. car started up great but after 3 miles started to act up and only run on what seemed four cyclinders. . So I think that it may be in the compter system. What can I check? I did have a scan run by "schucks" and they found no error code problems.
Feb 28, 2009 at 8:15 PM
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MASTERTECHTIM
  • CAR REPAIR CONTRIBUTOR
  • 4,750 POSTS
you need to replace the ignition module. thats the4 module located under the coil. for sure this is your problem. let me know
Feb 28, 2009 at 8:21 PM
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MASTERTECHTIM
  • CAR REPAIR CONTRIBUTOR
  • 4,750 POSTS
i always replace the ignition module when i have a bad coil. it seems the coil fries the module so make sure you leave the new coil in the car.
Feb 28, 2009 at 8:22 PM