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More weirdness 200

posted by  Greg P. on  Sat Jun 26 11:56 CST 2004
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last visit: Fri Oct 24 10:34 CST 2014
[RELATED]

In an attempt to get closer to the problem, I pinched off the large hose that hose into the IAC from the air valve and voila, the engine idles normally.

Seeing that, I unplugged the connector on the air valve and the engine seems to run fine. When I plug it back in, the idle jumps back up to 3000 RPM. Is this the problem or is it a red herring?

What does the air valve do? How does it work? Is it supposed to be open at idle? Is it safe to run my car with it unplugged?

Still hunting for my Bently manual. dangit.

--
Greg P. 1988 240 DL 'Olga' 170,000 miles






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