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Runs rough - intermitant

Tiny
BELKER
  • MEMBER
  • CHEVROLET CAVALIER
1998 cavalier-2.2 standard-218k kilometers.
have new plus, new plug wires. Code reads muliple
random cylinder misfires. Will be running good then suddenly starts missing and sometimes you have to keep it reved up to keep it running. Also noticed it does not start as well as it did. I suspect map sensor?
Code was showing up before changing wires and plugs. Coil packs or injectors have not been changed, I did check injectors for leaks, couldn't see any.
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Monday, February 26th, 2007 AT 11:35 AM

4 Replies

Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Did the code show up before of after the plugs and wires?
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Monday, February 26th, 2007 AT 4:06 PM
Tiny
GMFACE
  • MEMBER
  • 23 POSTS
Have any of your coil packs or injectors been changed recently?
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Monday, February 26th, 2007 AT 11:53 PM
Tiny
GMFACE
  • MEMBER
  • 23 POSTS
Sorry, that was a stupid question on my part.

I would suggest having your injectors checked again. It may be they aren't atomizing the fuel properly once the engine has warmed.
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Thursday, March 1st, 2007 AT 6:44 PM
Tiny
BELKER
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  • 6 POSTS
It finally registered a code. Egr was acting up. Cleaned carbon out working good now. Thanx everyone for your help.
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Thursday, March 15th, 2007 AT 6:56 PM

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