no idle when cold

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Peter W Crisler - 05 Sep 2006 04:43 GMT

2000 F250 SD, V10, STD cab, 8' bed, 4 speed auto w/overdrive. After sitting
for several hours, starts just fine, but won't idle. Drive it for a couple
of minutes and it will just barely idle @ 400 RPM in gear. Drive it 10
minutes or more and it idles just fine @ 700 RPM in gear. Any ideas as to
what is wrong?

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CJB - 05 Sep 2006 04:49 GMT

> 2000 F250 SD, V10, STD cab, 8' bed, 4 speed auto w/overdrive. After
> sitting
> for several hours, starts just fine, but won't idle. Drive it for a couple
> of minutes and it will just barely idle @ 400 RPM in gear. Drive it 10
> minutes or more and it idles just fine @ 700 RPM in gear. Any ideas as to
> what is wrong?

Sounds like a sticking/non-operational Idle Air Control valve. You might
have luck cleaning it, but some folks seem to prefer replacing them.

CJB

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