On Wed, 2011-03-16 at 19:45 -0400, David Beierl wrote: > At 07:13 PM 3/16/2011, Rocket J Squirrel wrote: > >It will keep doing it until I put the van into gear. Drive up to the > >bank's drive up window, put it into park, and it will start doing it > >again. Sit at a traffic light with foot on brake and transmission in > >Drive (AT) and no hunting at all. > > Sounds to me as though your basic idle speed is set too high. Check > it out. If that's the problem it's a very easy fix, and you may find > that the idle stab module can go back in and all be happy.
That was it. It was idling around 1300. Dialed it down and the surging went away. Took a fair number of turns on the adjustment screw to get it down into range. Timing is fine, closed throttle switch closing properly. I wonder how the idle got drifted so far away from nominal. Thanks for your help, David. -- Rocky J Squirrel |
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