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Car starts but it will shut off at a stop light?

Tiny
MADIANNA25
  • MEMBER
  • 2004 MITSUBISHI ENDEAVOR
  • 3.8L
  • V6
  • 4WD
  • AUTOMATIC
  • 245,000 MILES
My car will start and run fine until I come to a stop or a red light. If I turn the air conditioner on it will roughly idle and won't shut off at a stop.
Sunday, May 14th, 2023 AT 9:50 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,356 POSTS
It sounds like you have a vacuum leak, or the throttle body needs to be serviced.

Here are three guides to help us fix the problem:

https://www.2carpros.com/articles/troubleshooting-rough-idle-in-your-cars-engine-7-common-causes-and-how

and

https://www.2carpros.com/articles/throttle-actuator-service

and this guide is only used when the engine is cold.

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

Please go over these guides and get back to us.
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Monday, May 15th, 2023 AT 11:44 AM

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