Oil pressure

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Chicagoalen, Jul 26, 2019.

  1. Chicagoalen

    Chicagoalen Bobtail Member

    26
    9
    Apr 11, 2016
    Chicago IL
    0
    2011 prostar Cummins isx had engine light on. The oil pressure gauge lit red and pointer jumped to posittion to 0 and then to other max value side past 100 psi. Shut down engine and made sure there is no oil leak. Oil was charged 3000 miles ago. When I started engine again it did dissapeared and did it again in 20 miles . It's on and off.
    Has anyone experienced this? Is it electronic, gauge itself, oil pressure sensor or maybe a pump? For now I don't see mayor change in oil temperature and truck is running ok.
    TIA
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,817
    1,783
    Jun 14, 2009
    romulus,mi
    0
    Oil pressure sensor. #4921517. When you unplug it look for oil saturation inside connector. Don't take chances on $14 from ebay. 1/3 don't work. Buy a genuine Cummins.
     
    Heavyd, BoxCarKidd, mhyn and 3 others Thank this.
  4. Chicagoalen

    Chicagoalen Bobtail Member

    26
    9
    Apr 11, 2016
    Chicago IL
    0
    Thank you , I will buy Cummins part.
    Two weeks ago I replaced coolant tank with aftermarket part $135 , went to 100 degrees Texas weather and the thing was leaking . I had to replace it with original part $500. Aftermarket part just don't cut it sometimes.
    Anyway just what I tought, sensor.
    Thanks a lot
     
  5. BoxCarKidd

    BoxCarKidd Road Train Member

    4,530
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    Aug 26, 2014
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    But but but they have the same number on them. Both say made in Mexico. You could swap them in the package and send it back. Why does one have Asian writing on the box?
    Please excuse me that was and N14 but Amazon refunded my money.
     
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