question on adjusting idle on 5.4

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12-22-2006, 09:18 AM

richtfan

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question on adjusting idle on 5.4

is there a way to make an adjustment in the idle speed on the 5.4l engine?

I have a 2000 supercab. It seems to be sticking right now early in the morning and idles below 500 rpm until the engine warms up for a few minutes.

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12-22-2006, 09:46 AM

Quintin

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No, there isn't. There is a hard stop on the throttle body, but don't mess with it.

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12-22-2006, 11:46 AM

NKENN

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Doesn't it have an Idle Air Control (IAC) valve? If so, it's probably carboned-up or defective.

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12-22-2006, 11:49 AM

newmandl

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I would figure it to be something with a sensor ( MAF or other ) since the idle is controlled by the computer. The computer may think it is at the right speed when it is not. Just a thought.

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