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Thread: Dual stage oil pump

  1. #1
    Potential Tuner
    Join Date
    Sep 2023
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    3

    Question Dual stage oil pump

    Is there a way to turn off the dual stage oil pump on a Pentastar 3.6? Or even turn off CEL warnings around the two stages of oil pump, I'm forever chasing a P06DD code the same as many many other people with Pentastar's.
    Everything has been changed to try and fix it, oil pump, oil cooler, timing chains, many oil filters and oil changes, oil pressure sensor. The engine is running fine, other than putting it into limp home mode due to the P06DD code.
    The engine also seems to run better when you disconnect the oil pump solenoid and attach a resistor to simulate it and prevent a P06DE code when detached.
    I just want to turn off the dual stage oil pump, is this possible in the HPTuner software?

  2. #2
    Advanced Tuner
    Join Date
    Jan 2022
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    797
    what a weird set up i was just reading about that pump the other day

    zero experience but holy shit... it said 145 psi was max output

    be careful you dont end up exploding the filter

    it also said it stays in low pressure (12 psi) mode for almost all normal driving conditions???

  3. #3
    Potential Tuner
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    Sep 2023
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    There must be a way of turning it off because in JScan reader there is a reading in the ECU that checks if the dual stage oil pump is fitted or not and returns a value of true or false.

  4. #4
    Senior Tuner edcmat-l1's Avatar
    Join Date
    Aug 2006
    Location
    5BA8
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    2,279
    Having an issue with the same code in a 2016 3.2L V6. I pulled the calibration and I can't find anything pertaining to the oil pump besides the code listed in the DTCs.

    EFI specialist
    Advanced diagnostics, tuning, emissions
    HPtuners dealer and tech support
    email=edcmat-l1@msn.com

  5. #5
    Potential Tuner
    Join Date
    Sep 2023
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    Strange, there must be a look up table of oil pressure vs oil pump solenoid on or off for the ECU to be able to generate the code when the parameters are out of spec.
    I haven't yet bought the HP software to plug into my Jeep yet, I was hoping someone may have a fix or experience with this code which gave an answer and also incentive for me to invest in a HP kit for the Jeep!