On Sat, 10 Mar 2007 18:52:41 GMT, "Bob Shuman"
wrote:
>Defective coolant temperature sensor or possibly a vacuum leak somewhere?
>
>
> wrote in message
>
>> when cold and in park it idles at 12-15 hundred RPM and about 800 in
>> drive, when it warms up it idles at about 1000 rpm in park and about
>> 500rpm in drive, i have cleaned the throttle body... what else should
>> i try? i just bought it and i love the space and the transmission is
>> fine, no slipping.. other than the low idle the engine runs like a
>> dream, no leaks or smoke.
>>
>> the truck is a 91 montero RS with a 3.0 and a 4 speed auto.
>>
>> thanks for any and all help.. and the email addy in the header works
>>
>
There is also an Idle Air Control (IAC) on the throttle body. Checking
the IAC would be high on my list of things to check.
--
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>> Stay informed about: 91 montero low idle 
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