Idle sticking @ high RPM Sometimes - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 02-24-2009
Thread Starter
Join Date: Feb 2009
Location: Texas
Posts: 2
Idle sticking @ high RPM Sometimes

I have a '98 Ranger w/ a 3.0 and when I punch in the clutch to slow for a stop light or something the RPM's stay super high. Sometimes I can shift it to first while at a stoplite and drag the clutch to slow down the motor and it will stay @ normal Idle but sometimes it still raises back-up to ROAR . Is this the ICM causing this.... need to figure it out cause sometimes it makes it a pain in the bottom to roll through town and slowdown with it in gear.
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Old 02-25-2009
whippersnapper02's Avatar
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ICM???? Do you mean IAC(Idle Air Control) valve. Take it off and get some maf cleaner/air intake cleaner/throttle body cleaner and blast all the crap out of it.
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Old 02-25-2009
Jeremy102579's Avatar
Join Date: Jun 2006
Location: North Tonawanda, NY
Posts: 431
when i push in the clutch on my 94, the rpms rise.

for 3 years now, i have not been able to fix the problem.....and i put a new iac valve on it.

oh well, getting rid of truck this coming spring/summer and getting my 01-03 tundra.

time to move on.
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Old 02-26-2009
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Join Date: Feb 2009
Location: Texas
Posts: 2
I just replaced the IAC and the Idle will now drop to normal but only when I stop completely...... If I am still rolling it will still stay up... does this make any sense??
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Old 02-26-2009
JRacer's Avatar
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Join Date: May 2008
Location: Watson, Louisiana
Posts: 1,085
where is the IAC b/c my motor idles to low. Maybe this could help me?? sry for the jack
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