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1992 Chevrolet Corvette Runs rough power way down

Tiny
JAMES GUSTAFSON
  • MEMBER
  • 1992 CHEVROLET CORVETTE
  • 5.7L
  • V8
  • RWD
  • AUTOMATIC
  • 98,000 MILES
Hi I have a 1992 Corvette that had been running just fine till the other day then it started running rough and has a lack of power. When idiling it is going up and down a lot it never did that before and when on the road it is like skipping and running rough.
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Friday, September 26th, 2014 AT 10:10 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you checked for trouble code?
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Friday, September 26th, 2014 AT 11:05 AM
Tiny
JAMES GUSTAFSON
  • MEMBER
  • 12 POSTS
Hi no engine code showing
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Friday, September 26th, 2014 AT 12:35 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
I suggest starting by checking for codes. Do that and let me know if you find any. Also, check to make sure the catalytic converters are not plugging. You should also check fuel pump pressure and the idle air control valve which is responsible for maintaining a smooth idle.

If there is a code, it can save a lot of time.

Let me know.
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Friday, September 26th, 2014 AT 7:41 PM

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