Bad temperature gauge or sensor?
06-28-2020, (Subject: Bad temperature gauge or sensor? ) 
Post: #15
RE: Bad temperature gauge or sensor?
I just found this on an ASE Diesel diagnosis page.

High Intake Manifold TemperatureECM will turn the engine cooling fan on at 190 ºF. A 20% power derate begins when the mainfold tem-perature reaches 210 ºF. The derate increases to 40% if the temperature remains high.

I'm gonna go check my Intake sensor and see if it's covered with junk.
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RE: Bad temperature gauge or sensor? - Meanwhile - 06-28-2020



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