Thread: Idle problems with my 1986 500sec Merc
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Old 04-20-2005, 01:16 PM
Duke2.6 Duke2.6 is offline
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Join Date: Mar 2003
Location: Southern California
Posts: 2,293
The first thing I would check out is the throttle valve switch. If the ECU doesn't receive the idle signal it will not go into idle control mode.

Lots of discussion on this in the archives.

Duke
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