rpm's low
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Freshman User
Joined: Jul 2006
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rpm's low
i know this may sound like a dumb question but why does the throttle body say on the sticker that you cant change the idle rpm by turning the screw in the tb?i saw the sticker and didnt know what to think
Post Fiend
Joined: Jan 2005
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You can read up on it at fordfuelinjection.com
Lead Driver
Joined: Feb 2003
Posts: 8,140
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From: Oak Harbor, OH
The computer controls the idle through the IAC. If you go monkeying with the idle screw it throws the TPS voltage off and the computer will THINK that throttle is opened part way (Well it really is...) and then it can cause all sorts of problems. 650 to 700 rpms is NORMAL idle for an engine. Should be arond 1100 cold, and 650 to 700 hot.
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scottlane
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W)
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Mar 10, 2009 07:32 PM
