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Strange idle problem.

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Old 05-08-2008, 06:40 AM
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Default Strange idle problem.

When it starts up it runs fine. (when its cold)

but when it warms up. it idles around 500 or so.
and when i turn my headlights on, the engine RPM drops to the point of almost dieing.

Any ideas of what my problem may be?

Old 05-13-2008, 10:18 AM
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Default Re: Strange idle problem. (Fizoust)

idle control valve
Old 05-13-2008, 05:13 PM
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Default Re: Strange idle problem. (vtecb18c)

i don't think the car uses the IACV when the car warms up , so not sure if that could be it
Old 05-13-2008, 05:15 PM
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Default Re: Strange idle problem. (vtecb18c)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtecb18c &raquo;</TD></TR><TR><TD CLASS="quote">idle control valve</TD></TR></TABLE>

x2
Old 05-13-2008, 05:35 PM
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Default Re: Strange idle problem. (Fizoust)

iacv. The fitv (obd1) controls idle when cold then switches to the iacv when warmed up.
Old 05-13-2008, 07:02 PM
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Default Re: Strange idle problem. (Fizoust)

The IAC is always on and working its sole purpose is to maintain a certain rpm and if you turn on your A\C and engine load goes up rpms go down and the IAC will compensate cold or hot. actully if you want to turning on the compressor will usally tell you if the IAC is bad. if it dies 99.9% sure it is a IAC or wiring going to the IAC.
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