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06 envoy idle problem
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Author:  Beginnermechanic [ Tue Mar 22, 2016 1:55 pm ]
06 envoy idle problem

When first turn on or anytime the car is cold the idle goes crazy up & down up & down. When i put it in gear it goes away.

Author:  carriedi [ Wed Mar 23, 2016 10:17 am ]
Re: 06 envoy idle problem

a common problem with a hunting idle cold is a vacuum leak. Is your "check engine" light on?

you should leave your vehicle at a shop over night and have them scan it first thing in the morning so the can view the scanner data when the idle is jumping around.

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