High Idle engine!

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Sep 23, 2009 | 03:27 PM

F150 StrokerCobra

Thread Starter

2nd Gear Member

Joined: Sep 2008

Posts: 220

From: Oranjestad, Aruba

High Idle engine!

the idle screw is fully out and it stills idles at 900 when i start the engine but when i start driving it idles at 1400 -1600 ish.. getting on my nerves

Sep 23, 2009 | 05:18 PM

.boB

3rd Gear Member

Joined: Apr 2008

Posts: 939

From:

Sounds like a vacuum leak.

Sep 24, 2009 | 12:09 PM

AYEOH5.0

3rd Gear Member

Joined: Sep 2008

Posts: 599

From: Bel Air, MD

Quote:

Originally Posted by .boB

Sounds like a vacuum leak.

.

a neat trick is to squirt ether around the engine and if you get a loud POP from your engine you have a vacuum leak.

Oct 4, 2009 | 07:20 PM

pete88gt

1st Gear Member

Joined: Aug 2008

Posts: 139

From: GA

if you end up checking all of the vaccuum lines and everything checks out, it'll prolly be your Idle Air Control Motor. $65 on 5.0 resto

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