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High cold idle speed 200 1989

posted by  BobL on  Sat Jun 25 05:26 CST 2005
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last visit: Wed Oct 22 21:55 CST 2014
[RELATED]

It seems the engine cold idle speed is a little high, after a transmission rebuild. The idle settles down to normal once the temp guage starts to register. I'm wondering how the EFI manages the cold idle speed, and is it adjustable.








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High cold idle speed 200 1989

posted by  Sumerduckman on  Sat Jun 25 10:51 CST 2005
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last visit: Tue Aug 21 11:31 CST 2007
[RELATED]

The ECU determines the idle speed from the various sensor inputs, and adjusts it at the IAC valve, it is not adjustable otherwise.
If you are having trouble after the trans was removed, I would guess that the throttle spool may be sticking/binding , and that may be because of a problem with the transmission kick down cable.
--
Gary Gilliam Sumerduck VA, '94 940 na Regina 160k '86 240 190k







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