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Acceleration when engine gets warm

Tiny
PEGSUE
  • MEMBER
  • CHEVROLET LUMINA
I have a 96 chevy Lumina. 6 cyl. When the engine gets warm it revs up high rpms and accelerates, if I take my foot of the brake pedal it will goes like I got my foot pressing the gas pedal to the floor. Please tell me what is causing this.
Wednesday, February 28th, 2007 AT 4:57 PM

3 Replies

Tiny
AMNORTO
  • MEMBER
  • 17 POSTS
Try checking the Throttle body often dirt will build up and cause it to stick.
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Friday, March 16th, 2007 AT 10:38 PM
Tiny
PEGSUE53
  • MEMBER
  • 4 POSTS
New addition to this post. I can now start my car from a cold start and it will rev wide open. Could it be possible that the MAF Sensor could be causing this, now it does not want to stay running, when I put it in gear it dies, I have replaced the IAC Sensor twice
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Friday, August 17th, 2007 AT 3:10 PM
Tiny
CTRACY
  • MEMBER
  • 5 POSTS
I have a 95 and it basically did the same thing. I replaced the idle control sensor and the throttle position sensor as well as using two cans of throttle body cleaner. Not sure which one fixed it but it seemed to work. Every once in awhile it will idle high or die but when I shut it off it stops doing it.
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Sunday, September 9th, 2007 AT 9:55 PM

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