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Oil Pressure guage needle jumps ..

This is a discussion on Oil Pressure guage needle jumps .. within the General Help forums, part of the LSx Technical Help Section category; I had a brand new ls1 crate motor installed a couple of months ago and now the oil pressure guage ...

  1. #1
    Junior Member ssxcytmnt's Avatar
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    Oil Pressure guage needle jumps ..

    I had a brand new ls1 crate motor installed a couple of months ago and now the oil pressure guage needle is jumping around at idle and more at high speeds. After a while it tends to stop jumping and works fine. I surfed the net looking for answers but couldnt find any direct answers. Has anyone had this problem and what did you do to fix the problem? Right now im guessing a damaged oil pressure wire or bad oil pressure sending unit.
    Thanks in advance for your help..
    ssxcytmnt...

  2. #2
    Member WS6SP33D's Avatar
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    2000 WS6 6 Speed

    There's only a few things that usually cause this to happen. First thing i would do is try to snake my hand down the back right side of the intake and feel to see if you have a good wiring connection. also while your back there check the housing of the opsu and see if it wiggles or feels loose. A lot of time the casing/housing of the opsu with be cracked/loose and move back and forth with the vibration of the motor causing a good to bad connection making the needle jump.


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