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RPM Fluctuating and A/C stops working during that time?

Tiny
MOHAMED.ABOULWAFA
  • MEMBER
  • 2009 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 82,000 MILES
Am having this issue for while RPM fluctuating car jerking and sometimes RPM drops down till it switches off and during the fluctuating the AC is not working. I have no errors codes though.
Tuesday, May 16th, 2023 AT 9:00 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,070 POSTS
This 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 with additional information below:

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

Use this guide when the engine is cold only:

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

and

https://www.2carpros.com/articles/stall-at-idle

Check out the images (below). Please let us know what happens.
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Wednesday, May 17th, 2023 AT 10:03 AM

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