1995 Chevy Corsica corsica check engine

1995 CHEVROLET CORSICA
105,000 MILES • 4 CYL • 2WD • AUTOMATIC
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CAR TOM
  • MEMBER
  • 45 POSTS
Hello;
I am trying for the past four months to get this issue resolved and cannot get it done.My 1995 Corsica out of the blue flashed a code 27 quad driver failure signal. This only comes on when i drive the car at over 40 mph. If i drive below that speed no code gets activated. I did notice that since that code arose my cooling fan kicks in as if the vehicle was overheating while the temp. gague reads a normal operating temperature. if you shut the vehicle off and restart it right away the code does not come on and neither does the fan, now i would think that if the vehicle was that hot so as to engage the fan on if you would restart the vehicle a mere seconds later the fan would kick in, but it doesnt unless you drive again over 40 mph. I tried picking the dealers head but he only would tell me to drop off the car with him, no advice no help.
Aug 27, 2008 at 12:02 PM
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MMPRINCE4000
  • CAR REPAIR CONTRIBUTOR
  • 8,548 POSTS
Sounds like a bad ECM. I would get a used one at a junk yard, and see if the problem goes away.

A dealer could check the ECM, but it wouldn't be cheap and a used ECM (same year car and engine) would be much cheaper.
Sep 15, 2008 at 6:56 AM
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