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Old 09-23-2009, 04:27 PM   #1
F150 StrokerCobra
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Default 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
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Old 09-23-2009, 06:18 PM   #2
.boB
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Sounds like a vacuum leak.
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Old 09-24-2009, 01:09 PM   #3
AYEOH5.0
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Quote:
Originally Posted by .boB View Post
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.
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Old 10-04-2009, 08:20 PM   #4
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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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