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1991 Chevy Corsica knock sensor

Tiny
JERRY ADAMS23
  • MEMBER
  • 1991 CHEVROLET CORSICA
Electrical problem
1991 Chevy Corsica 6 cyl Front Wheel Drive Automatic

code 43
replaced knock sensor
removed negative on battery for 20 minutes and
reattach
service engine light remains on
Saturday, November 28th, 2009 AT 11:59 PM

1 Reply

Tiny
BIGJIM79
  • MEMBER
  • 239 POSTS
The ecm uses the knock sensor at start up so it would read that is not working. It will set the light no matter how many times you remove the neg. Cable.

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Sunday, November 29th, 2009 AT 2:50 PM

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