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Thread: Oil pressure gage question

  1. #1
    danoh123's Avatar
    danoh123 is offline Cadillac Owners Fanatic
    Automobile(s): 2010 CTS 3.6 Premium AWD
    Join Date
    Sep 2012
    Boston area

    Oil pressure gage question

    I have 2010 3.6L CTS4. I never had a car with oil pressure gage. So what is acceptable pressure of oil? Does dirty oil / filter created more back pressure that would make any difference in gage ready???? I am just trying to what I should be looking for since I a gage.

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  3. #2
    Ramv is offline Cadillac Owners Fanatic
    Join Date
    Feb 2013
    Stupid apple junk. Trying again.

    Typically most cars have bypasses so a plugged filter won't change pressure.

    8-10 psi at idle with warm oil. 40-50 psi at cruise. Higher when cold.

    Oil pressure is relative in the sense that its best to learn what your car does at different conditions and if it deviates then address it.

  4. #3
    OMG's Avatar
    OMG is offline Cadillac Owners Fanatic
    Automobile(s): 2008 CTS4 3.6DI
    Join Date
    Mar 2013
    Northern IL Suburbs

    Re: Oil pressure gage question

    Yeah the oil pressure in the CTS actually seems real, unlike any of my previous cars which seem to be a hot/cold pressure thing, the CTS is all over the place and right about where Ramv said.


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