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Old 10-09-2003, 09:50 PM
dtf dtf is offline
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Join Date: Jul 2003
Location: South East CT
Posts: 824
Is 80C too low of a running temp for a M104?

It has been a little chilly in the mornings lately and I have had the heat on. The thermostat must be a low operating one because the temp is about 80C. Is that too low of an operating temp for a historically hot running M104 engine design? The thermostat was replaced last summer. Does the gauge read the engine temp or the coolant temp?
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1994 E320 Wagon (Died @ 308,669 miles)
1995 E300 Diesel (203,000)
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