At 06:25 PM 8/25/98 -0400, Mark Schrope wrote: > I finally got a chance to pull my throttle housing and clean it and the >throttle switch up. I've had an ongoing coldstart stalling problem that >seemed to be almost cleared up by the cleanup and setting the switch to >0.8mm as recommended by a post a while back. When I set the switch to the >Bentley specified .05 to.1 mm gap, the problem seems to persist. Anybody >know for sure whether the Bentley listed gap is correct? This seems like >an awfully small gap. Could it be that my 10 year old switch just works >better now with a larger gap? > I just went through this with my '87. What happens is that the throttle shaft wears over time causing the throttle plate to sometimes not close all the way--thus the throttle switch stays open at idle. The fix is to open up the throttle switch gap just enough so that the switch always closes properly at idle. For my throttle body, a gap of 0.178mm did the trick. If you get the gap too large, gas mileage will suffer noticeably. Mark McCulley 87 syncro Westfalia |
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