Idle stalling Issue

2009 FORD RANGER
241,321 MILES • 2.3L • 4 CYL • 2WD • MANUAL
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JOHN TRAHAN
  • MEMBER
  • 1 POST
It is a 1991 not 2009 Ford Ranger. When the truck is idling with the A/C off, it idles fine, but when the A/C is turned on, it shuts off. The throttle body has been cleaned, MAF sensor, TPC Valve, TPS and ECM has been replaced. When the AC is off sometimes I have to apply more gas for it not to shut off. Another thing, if you disconnect the throttle position sensor, it idles rough and runs horrible, but turning on the AC will not stall the truck.
Jul 7, 2017 at 7:19 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

It sounds like you have a vacuum leak. Here are to guides that will get us going in the right direction so we can get the problem fixed.

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

and

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

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken

Jul 9, 2017 at 1:06 PM
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