Discussion in '1998 - 2011 Ford Ranger' started by ruglyr, Dec 27, 2011.

  1. ruglyr

    ruglyr New Member

    oil gage moving up and down.when accelerate needle stays in normal position.
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  3. Hooligan

    Hooligan Rangerholic!!

    Can you be a bit more descriptive?
  4. OP

    ruglyr New Member

    oil gage moves up and down.when i accellerate the needle stays in middle when idleing needle moves up and down
  5. Hooligan

    Hooligan Rangerholic!!

    Specs on your truck? Engine year model etc...
  6. oil level been checked recently? could be worn oil pump, clogged filter
  7. OP

    ruglyr New Member

    motor was rebuilt,theirs no knocking and it runs fine.could it be loose wire or oil senser?
  8. shovelmike

    shovelmike New Member

    Find the oil pressure sender, make sure the connection is tight and clean. Take the wire loose from the sender and touch it to ground while someone sits behind the wheel with the ignition on, it should read full scale, and when removed from ground should read zero......do this only momentarily, it establishes that your guage is good.
    If the above checks out OK there is a chance that the diaphram inside the sender has ruptured and oil is on the internal contacts, that will cause erratic readings. Senders are fairly cheap, at that point replace it and the problem may be solved.

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