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engine surge while AC is running

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Old

Apr 7, 2011 | 04:53 PM

#1

JasonBrod

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Mountain Pass

Joined: Oct 2003

Posts: 196

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From: Dallas TX

engine surge while AC is running

I have a 2001 F150. Whenever I am running the AC and I am at a stop light, the idle surges up and down. When I try to take off it hesitates for a second. I recently changed the plugs and cleaned the air filter.. What could be causing this?

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Old

Apr 7, 2011 | 06:13 PM

#2

projectSHO89

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Joined: Jan 2004

Posts: 19,760

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From: St Louis

Sticky IAC valve, usually.

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Old

Apr 8, 2011 | 05:57 PM

#3

JasonBrod

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Mountain Pass

Joined: Oct 2003

Posts: 196

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From: Dallas TX

What is a IAC valve?

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ac, air, causing, codition, engine, ford, light, motor, running, surge, surges, surging

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