Truckers Report Jobs

Find Trucking Jobs

Company Driver Company Driver Dry Van Dry Van Flatbed Flatbed Refrigerated Refrigerated Specialized Specialized Owner Operator Owner Operator
More Trucking Job Searches ⌄ Fewer Trucking Job Searches
⌃

DD15 oil in harness, issues?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by MTMAUS, Jun 21, 2024.

  1. Jun 21, 2024 #1
    MTMAUS

    MTMAUS Light Load Member

    223
    175
    Sep 28, 2019
    0
    Hey, my oil pressure sensor just blew out and oil coming out of it pretty bad.

    Do I need to worry about oil in the harness and going up to ECM?

    I havent pulled it apart yet, but would be very surprised if oil isnt in the harness.

    Anything I need to do to the harness? Can it do anything to the ECM? Or just pull out the sensor, clean everything up and plug it back in?

    Thanks
     
    MTMAUS, Jun 21, 2024
    MTMAUS, Jun 21, 2024
    #1
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. Jun 24, 2024 #2
    Heavyd

    Heavyd Road Train Member

    7,787
    6,225
    Feb 4, 2009
    0
    This is going to cause a fight, but I just brake clean it, blow it out with shop air. The argument is some think the oil will penetrate the ecm and short it out. If that were true, any injector connector under the rocker cover exposed to oil would short out in literally two minutes after you start the engine.
     
    Heavyd, Jun 24, 2024
    Heavyd, Jun 24, 2024
    #2
  4. Jun 24, 2024 #3
    Goodysnap

    Goodysnap Road Train Member

    3,724
    9,054
    Jul 12, 2017
    0
    I agree with Heavy

    ISX oil pressure sensors leak all the time. Spray connector out with contact cleaner and run it.
     
    Goodysnap, Jun 24, 2024
    Goodysnap, Jun 24, 2024
    #3
    Heavyd Thanks this.
  5. Jun 24, 2024 #4
    MTMAUS

    MTMAUS Light Load Member

    223
    175
    Sep 28, 2019
    0
    All good, the wires going in werent as bad as I thought, so yeah, I just used brake cleaner, thanks heaps.
     
    MTMAUS, Jun 24, 2024
    MTMAUS, Jun 24, 2024
    #4
  7. Jun 26, 2024 #5
    Ridgeline

    Ridgeline Road Train Member

    22,469
    117,823
    Dec 18, 2011
    Michigan
    0
    Yep you really have to worry about the oil atoms mixing it up with the electical atoms and confusing the ECM to which atoms it should listen to. The oil atoms will only talk about pressure while the electrical ones will only talk about voltage and current, what a mess it will be.

    OK fun aside, just do what Heavyd said, clean it up and run it.
     
    Ridgeline, Jun 26, 2024
    Ridgeline, Jun 26, 2024
    #5
    Heavyd Thanks this.
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.