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Old 09-16-2003, 04:09 AM
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Join Date: Sep 2003
Location: Toronto, Canada
Posts: 12
Idle ghost

Hello everyone. This is my first post on this site. My question is this....
I own a 1986 300 E with 180,000 km on it.When i start the car it fires up ok then soon as it warms up it fluctuates fron 500-2000 rpm.
Soon as it does this if I remove the OVP when its running the rpm go to 500 and the ghost goes away.But when the car cools down I have to replace the OVP in order to start it.
With this way I still have all the power but It was becoming a hasle to get in and out of the car to do this so for now I ran two wires with a switch inside the car with an inline fuse conected where the fuse for the OVP is and drive it like that.
I know this is a temporary fix and i searched the threads but I cannot figure out how to solve this issue.

Thanks in advance for all the help.

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Old 09-16-2003, 11:19 AM
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
If you search the threads, you'll find the most likely causes of this symptom are a bad OVP or airflow meter pot, with likely complications from air leaks from old rubber in the idle air circuit.

'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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