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ZERO Oil Pressure

This is a discussion on ZERO Oil Pressure within the General Help forums, part of the LSx Technical Help Section category; Well according to the dash gauge. It has pressure as engine idles and sounds normal. I pulled my intake to ...

  1. #1
    Experienced Old Fart jfl330's Avatar
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    '02 35th SS LE SLP#1084

    ZERO Oil Pressure

    Well according to the dash gauge. It has pressure as engine idles and sounds normal.

    I pulled my intake to reseal it for the third time and was pretty sure I did not break the OPSU.

    It is not leaking any oil. Is it possible to break the OPSU so it does not leak but can not send correct pressure information?

    I can just about touch the thing with my big hands so looks like another manifold pull is in my future.

    Jon

  2. #2
    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by jfl330 View Post
    Well according to the dash gauge. It has pressure as engine idles and sounds normal.

    I pulled my intake to reseal it for the third time and was pretty sure I did not break the OPSU.

    It is not leaking any oil. Is it possible to break the OPSU so it does not leak but can not send correct pressure information?

    I can just about touch the thing with my big hands so looks like another manifold pull is in my future.

    Jon
    You said it has pressure. How much at what rpm.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Is the sender plugged in?

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    Senior Member JayTA98's Avatar
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    it is possible to crack the plastic base of the sensor and when the internals move the whole plastic piece moves with it so it will give you a bad reading and it will not leak either. I will double check the OPSU again.

  5. #5
    Veteran 0rion's Avatar
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    yep....when I broke mine it showed zero pressure but no oil leakage.

  6. #6
    Experienced Old Fart jfl330's Avatar
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    '02 35th SS LE SLP#1084

    Replaced to OPSU while changing the manifold and oil pressure back to normal.

    I left the socket on the OPSU while installing the manifold, seems like it would be harder to break with the steel condom on it.


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