1987 2.5L chevy s-10 pick-up how hard is it to replace ECM

1987 CHEVROLET S-10
89,900 MILES
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WHITEVJ64
  • MEMBER
  • 1 POST
reading in manual said this may fix 2 problems with loping idle andpinging and knocking with load on engine.
Mar 20, 2012 at 9:12 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
The computer just unplugs if you get a new or refurbished computer make sure you get one already programed.There are places that sell the computer and you give them your vin and they program to your truck.
Mar 20, 2012 at 9:36 AM
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