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2004 Chevy Cavalier Check Engine Light

Tiny
HAWK40
  • MEMBER
  • 2004 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
Recently I put a header on my 04 cavalier along bypassing the cat converter with a straight thru pipe reinstalling the sensor approx. Where it was in the original pipe, after driving 80 miles the check engine light is on.I havent scanned it yet but wonder if the sensor is the problem being the exhaust is straight thru?
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Thursday, May 8th, 2008 AT 12:18 PM

3 Replies

Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
Most likey yes that is your problem. They make an o2 eliminator that can take the place for it and trick the computer.
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Thursday, May 8th, 2008 AT 12:40 PM
Tiny
HAWK40
  • MEMBER
  • 2 POSTS
Thanks for the reply, the light went off on my way home from work today but it will probably return, I'll look into the eliminator, who sells them? Thanks, fred
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Thursday, May 8th, 2008 AT 11:39 PM
Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
If you google search it im sure you will find one
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Friday, May 9th, 2008 AT 1:49 PM

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