Idle air control

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Aug 17, 2014 | 06:56 AM

Ftpergallon

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New User

Joined: Aug 2014

Posts: 2

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From: Franklin NC

Idle air control

I have a p1504 code on my excursion v-10 I research the code it says faulty IAC I order one from advance auto and install it runs for a day then starts dying again I go to advance and they swap out the part I install the 2nd new iac and two days later the same thing I have to two foot her at stop lights. Can someone tell me do I need to use motor craft part advance $56 ford parts $146. I am open to all ideas thanks guys

Aug 17, 2014 | 07:25 AM

projectSHO89

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Joined: Jan 2004

Posts: 19,760

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From: St Louis

You likely have a vacuum leak which is making it impossible for the IAC to control the idle.

Did you check for any leaks first?

Aug 19, 2014 | 07:21 PM

Runky

Senior User

Joined: Jan 2013

Posts: 105

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From: Suffolk, VA

Went through two advance ones before I broke down and went to the Ford dealer. I had the moaning sound at stop lights as well. Buy the dealer part and the upgraded tube that goes to it. Haven't had a problem since.