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High idle at start

Tiny
CHIBOW
  • MEMBER
  • 1989 CHRYSLER LE BARON
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 62,000 MILES
When the engine is started when hot or cold it revs way up and then goes down to a slow idle. Idle almost to slow so when you turn the steering wheel it almost shuts it off.
Wednesday, December 12th, 2018 AT 9:32 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,072 POSTS
Hello,

This sounds like you have a vacuum leak be sure to check the intake manifold as well. Here is a guide that will help us find the problem:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please run down this guide and report back.

Cheers, Ken

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Friday, December 14th, 2018 AT 12:03 PM

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