the oil pressure gauge pegs over to the high end when the engine is running. on 1994 Isuzu Rodeo

The gauge reacts immediately like there is a short somewhere. How do I determine if the problem is the gauge or the engine sensor?

by in Riverton, UT on July 03, 2013
1 answer 1 comment
ANSWER by on July 03, 2013
DOES IT PEG WITH KEY ON ENG OFF?
COMMENT by on July 03, 2013
The gauge only pegs when the engine is running.

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