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1988 Chevy Camaro rough idle

Tiny
MCAMPAIOLA
  • MEMBER
  • 1988 CHEVROLET CAMARO
  • V8
  • 2WD
  • AUTOMATIC
  • 38,000 MILES
I have a camaro with 38k miles on it, it have a complete tuneup done 800 miles ago (4yrs ago), the car now idles rough when warm and cold and under heavy acceleration the engine spudders and will backfire out of the intake, once it gets going it runs fine, what do you think the problem is or could be
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Friday, August 20th, 2010 AT 12:07 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Clean out the idle air control and EGR valve and test the throttle position and manifodl absolute pressure sensor-also check the fuel pressure
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Friday, August 20th, 2010 AT 4:21 PM
Tiny
MCAMPAIOLA
  • MEMBER
  • 2 POSTS
I have had everything you suggested checked and now the car idles real smooth and I expieriance no hesitation when cold, I do still have hesitation once the engine has warmed up and there is still some intake popping, the Mass Air Flow has also been cleaned
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Tuesday, August 31st, 2010 AT 7:11 PM

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