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starting problems for you electrical gurus 200

posted by  Don Foster on  Tue Dec 24 07:26 CST 2002
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last visit: Sun Oct 5 11:53 CST 2014
[RELATED]

Adding to David's good comment, the sensor might be good, but the connection to it might be bad. (Seen it happen in a '90 745 -- 'twas a real head-scratcher.)

If the sensor is open (you say it's not) or the connection or wiring is bad, the ecu will infer that the engine is about minus a zillion degrees, plus or minus a few. The ecu will copensate for this very cold condition by pouring in the gas, flooding it.

If this is the cause, check the oil -- it might be loaded with gas. If so, dump it. Not only are the lubricating properties reduced, the fumes create an explosion hazard.

The proper temp sensor is a two-wire device located in the head under intake header #3.
--
Don Foster (near Cape Cod, MA)






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