There you have got me. Possibly the contact points aren't in the heavy wear spot until after a long heat soak causes them to expand. They are in a spot that might take a long time for that to happen due to the constant airflow. Pure guess, though. tom On 30 Sep 2003 at 14:59, James V wrote: > Thanks for the explanations. The decriptions as a potentiometer makes it > clearer to me. What I still don't understand is, why the problem only > manifests after sustained cruising. Why doesn't the van always stumble when > the AFM crosses the "bad contact" point? I cruise control to work for 20 > minutes and have never had the problem. Yet, after a few hours of similar > cruising on the road trip, it happened. Not that any of this theory > matters, really - just curious. > > James > 90 Carat > ------ Tom Ring K0TAR, ex-WA2PHW EN34hx 85 Westphalia GL Albert 96 Jetta GL The Intimidator taring@taring.org "It is better to go into a turn slow, and come out fast, than to go into a turn fast and come out dead." Stirling Moss |
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