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`90 740 Wagon 700

posted by  Don Foster on  Fri Jun 14 03:06 CST 2002
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last visit: Sun Oct 5 11:53 CST 2014
[RELATED]

"...an LH 2.4 engine, is it not?"

If it's a non-turbo, then it's most likely a Rex-Regina system, not Bosch.

I bet a cold one on a failed or gummy idle air valve, sometimes called the "CIS motor" (constant idle speed). If the throttle body has not been serviced, then it's a good time to do this. If it has been serviced, then I'd double check that it AND the throttle switch are adjusted. A working and adjusted throttle switch, among other things, is critical to proper idle.
--
Don Foster (near Cape Cod, MA)






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