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High Idle - Not IAC - What ?(How to test temp sensor ?) 700 1991

posted by  Lummer57 on  Mon Aug 2 10:56 CST 2010
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last visit: Thu Oct 28 03:22 CST 2010
[RELATED]

Original poster back yet again. OK. So I have tried everything and still have problem. I am thinking it must be engine temperature sensor. Not the one under 2nd intake manifold runner which does dash gauge but the one under 3rd intake manifold runner which tells IAC engine temp. Problem is it is a real p.i.t.a. to get to it. Any easy way to check if it is good or bad rather then replace it ? Any way to easily check/test it ? Maybe at some other point that is not hard to get to ? Thanks but once again for advice/info/feedback on this matter.

P.S. - For those of you in NJ starting Today DMV is closed on Mondays.
--
' 88 740GLE auto wagon nearly 202,000 and ' 87 240DL auto sedan nearly 135,000






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