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oil pressure gauge fluctuating

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This topic contains 1 reply, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 3 weeks, 5 days ago.

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  • #988719
    Bill Denton
    Bill Denton
    Participant

    GM 4.3 150K miles.
    Oil pressure gauge is fluctuating.
    How likely is it the oil pressure sending unit?
    How likely is it the oil pump?

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  • #988720
    Nightflyr *
    Richard Kirshy
    Participant

    Please elaborate on your meaning of fluctuating.
    Do you mean the gauge is bouncing at any given rpm or are you seen a drastic drop in oil pressure once the engine is at operating temp ?

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