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  1. #1
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    Mar 2017
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    Default 1989 4.0L oil pressure gauge

    Hello all! So when I start the jeep all the gauges work except for the oil pressure gauge... The gauge is always maxed out and I'm wondering what could cause that. Any and all help is greatly appreciated. (I'd post a picture of it but I can't figure that out... so I'd love help with that too)

  2. #2
    Join Date
    Sep 2009
    Location
    Chico, CA
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    Default Re: 1989 4.0L oil pressure gauge

    It is a simple fix Josh. Your sending unit is bad. Replace it and all will be well.

    There are two ways to post pics. You can upload directly from your computer by clicking Go Advanced below and then Manage Attachments. The other is to upload to photobucket and copy and paste the IMG link. The former is good for quick posts of stuff, and the latter is more manageable and better for stuff like trail and build threads
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  3. #3
    Join Date
    Mar 2017
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    Default Re: 1989 4.0L oil pressure gauge

    Awesome! Thank you so much!

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