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oil pump/pressure switch?

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    #1

    oil pump/pressure switch?

    Here is the problem:

    Oil light will start flashing after a while of driving, typically highway driving. I did an oil change about 3 months ago, and I have been keeping a close eye on oil levels, which is a little low right now.

    My guess is the oil pump.... any ideas?
    Tags: None
    #2
    how low is "a little low" ?
    ____

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      #3
      roughly half a quart

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        #4
        Originally posted by awolanin21 View Post
        Here is the problem:

        Oil light will start flashing after a while of driving, typically highway driving. I did an oil change about 3 months ago, and I have been keeping a close eye on oil levels, which is a little low right now.

        My guess is the oil pump.... any ideas?
        I would first check the switch before the oil pump, only cause the light flickers and doesnt stay on.

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          #5
          alright thanks, i really hope its only the switch cuz the pumps are like $150 and the switches are much cheaper

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            #6
            throw an oil pressure gauge in the switch outlet once you have it out and see what your actual pressure reading is. Or ask your mechanic to do it.

            My guess is the switch has a transient contact and the vibration at highway speed is causing a false transient low pressure indication.

            But since you have to remove the switch to repace it anyways, might as well borrow an oil pressure gauge and check the pressure. As I recall, warmed up, it should be 10 psi at idle and 50 psi at 2000 (or is it 3000, I think it's 3000) rpms.

            The pressure indicator is supposed to go on at pressures below 3 psi or so. A true flickering indicator means the fluctuation was for less than a second. A solid indicates a constant low pressure of under 3 psi.

            figures are from memory.

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              #7
              alright thanks i am going to check it out sometime this week.

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