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Oil light

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Perez700r, Mar 3, 2020.

Page 3 of 6
  1. Mar 5, 2020 #21
    Perez700r

    Perez700r Bobtail Member

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    Feb 25, 2020
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    Now the oil light And buzzer is coming on at 1200rpms and above so #### annoying! Could it be that I got a bad oil pressure sensor again I just put a brand new one in from caterpillar but they sold me a dorman brand.
     
    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #21
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  3. Mar 5, 2020 #22
    spsauerland

    spsauerland Road Train Member

    4,296
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    May 31, 2010
    West Harrison, In
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    You should get oil pressure fault code along with light coming on. Are you getting a fault codes? If so, look @ snapshot and check what oil pressure is or when light comes on intiate a snapshot.
     
    spsauerland, Mar 5, 2020
    spsauerland, Mar 5, 2020
    #22
  4. Mar 5, 2020 #23
    Perez700r

    Perez700r Bobtail Member

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    Feb 25, 2020
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    Only code that comes up is low oil pressure and goes away one I bring the Rpms down it’s 40-50 oil psi when it comes on
     
    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #23
  5. Mar 5, 2020 #24
    spsauerland

    spsauerland Road Train Member

    4,296
    10,891
    May 31, 2010
    West Harrison, In
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    On your gauge, but was is oil pressure that ECM is showing.
     
    spsauerland, Mar 5, 2020
    spsauerland, Mar 5, 2020
    #24
  7. Mar 5, 2020 #25
    Perez700r

    Perez700r Bobtail Member

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    I’ll double check this afternoon when I get to the scanner.
     
    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #25
    spsauerland Thanks this.
  8. Mar 5, 2020 #26
    Perez700r

    Perez700r Bobtail Member

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    This is a photo I took a couple of days ago this is oil psi at idle if you convert it to psi it’s about 15psi
     

    Attached Files:

    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #26
  9. Mar 5, 2020 #27
    Perez700r

    Perez700r Bobtail Member

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    Feb 25, 2020
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    That is after I installed the new oil pressure sensor.
     
    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #27
  10. Mar 5, 2020 #28
    spsauerland

    spsauerland Road Train Member

    4,296
    10,891
    May 31, 2010
    West Harrison, In
    0
    Hook up your scan tool and check pressure when low oil pressure warning comes on.
     
    spsauerland, Mar 5, 2020
    spsauerland, Mar 5, 2020
    #28
    Perez700r Thanks this.
  11. Mar 5, 2020 #29
    Perez700r

    Perez700r Bobtail Member

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    Feb 25, 2020
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    Ok I’ll get back with you this afternoon.
     
    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #29
  12. Mar 5, 2020 #30
    Perez700r

    Perez700r Bobtail Member

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    Feb 25, 2020
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    This is the code before the oil light comes on
     

    Attached Files:

    Perez700r, Mar 5, 2020
    Perez700r, Mar 5, 2020
    #30
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