Posted by The Dodge Boys [173.245.54.15] on Saturday, February 13, 2016 at 09:08:55 :
In Reply to: 1988 W250 High idle at start up posted by Steven [162.158.255.90] on Friday, February 12, 2016 at 17:59:49 :
you may have a faulty engine temp sensor. It may think the engine is cold not hot. Its a early computer system that you could scan with the right equipment. [scanner] Find the sensor and check the connection. It will have one for the temp gauge and 1 for the computer. Good Luck. Bill.
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