my 2000 ranger 3.0L idles high - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 06-17-2008
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my 2000 ranger 3.0L idles high

i have a 2000 ford ranger tremor 3.0L V6 Flex and there some days it idles normal but some other days when i put in neutral it start idling high from 3 to 4000 rpm and then go back down to normal idle in 10 sec. what can i do about that?
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Old 06-17-2008
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Probably your IAC valve. Get some fuel injection cleaner(car cleaner for fuel injection) asd spray the crap out of it. While you are there spray the throttle body as well.
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Old 06-17-2008
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i bought a new IAC valve and its still doing the same
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Old 06-17-2008
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TPS may be sticking.
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Old 06-18-2008
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Check to see if the throttle cable is sticking, and check the return spring on the throttle body.
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Old 07-01-2008
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mine was doing the same thing until yesterday
check for vacuum leaks
or cracked vacuum lines
thats what mine was
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