My oil pressure guage and water temp guages are not reading correctly.
I just purchased a 1992 E150 conversion van with 5.8L. I noticed that both
the oil pressure and temp gauges do not go back to zero or low when the
engine is off. the oil pressure is at about half way when I start engine. then
almost pegs the guage when running. same with the temp guage. it goes
about 3/4 of the way to hot. but the engine is not hot. I used to have an 87
F250 with this problem and it was determined to be a voltage regulator in
the instrument cluster that was bad. 10 minuet fix. but I cannot find any
reference to one on this 1992.
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