Accelerating & reving and NOT using gas pedal.

BUICK RENDEZVOUS
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AYOVANOVICH
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04 Buick Rendevous, 82k. Base model.

Accelerating and not using gas pedal. While in neutral and Park & it sounds like it's revving, but the RPM's are not going up. Turned off & turned back on, revving went away (briefly) but then continued to accelerate on own.

Help!
Aug 6, 2007 at 8:27 PM
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CLY
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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If you have a vacumm leak it could cause a high idle. Any check engine lights or anything on?

Cly
Aug 6, 2007 at 8:31 PM
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AYOVANOVICH
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not a thing.

I noticed the change about an hour ago, I was pulling out of a parking lot & put it in reverse. It shifted hard & then this started.

Thanks for your insight.

A
Aug 6, 2007 at 8:40 PM