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  1. Lift pump issue | Cummins Diesel Forum

    Jul 20, 2025 · Look for any pinched, frayed, or disconnected wires, especially those tied into the lift pump circuit. A common issue is a wire getting tugged loose or chafed during the starter removal.

  2. water pump?? | Cummins Diesel Forum

    Jan 3, 2025 · The water pump on both 5.9 and 6.7 Cummins is extremely robust and when they fail it is mostly from a catastrophic failure of the bearings after the bearing seals fail and if the owner is not …

  3. ABS pump and module!!!!!! | Cummins Diesel Forum

    Nov 8, 2024 · When replacing the abs pump or abs module on a 3rd gen cummins (2004 2wd) Does it have to be programmed and does it matter if the new rebuilt abs pump or abs module is from a 4WD …

  4. Testing the injection pump | Cummins Diesel Forum

    Jan 13, 2019 · What’s the best way to test the VE injection pump to verify fuel pressure output to the injectors?? I’m going through the entire fuel system started with the tank & working my way forward …

  5. Lift pump test | Cummins Diesel Forum

    Jan 22, 2019 · How do you test a faulty lift pump? Getting the P0087 code and have tried FRP and new filter. Didn’t know if I could install a gauge to read while driving and parked. Truck shudders going up …

  6. C0020-01 ABS Pump Motor Control General Electrical...

    Aug 12, 2020 · C0020-01 ABS Pump Motor Control General Electrical Failure. Using Innova 5610 Scan Tool ABS Light and traction control light on. At first it was here and there or when I hit a bump or …

  7. air dog lift pump | Cummins Diesel Forum

    Mar 7, 2010 · Just had a air dog lift pump installed and the shop did not put in the indicator light when I turn the key on the pump stays running all the time should it do this or ...

  8. Vacuum pump problem | Cummins Diesel Forum

    Jul 4, 2009 · The vacuum pump has gone and I have read in the 911 forum on what the repair is going to cost and what the part numbers are. My comment / question is, "Is this very common?" I have …

  9. The inner workings of a CP3 high pressure pump

    Feb 16, 2010 · The gear pump, pressurizes the supply fuel to higher levels for its independant circuits, according to setpoint of the regulator (cascade valve). Internally the pump acts much like an engine, …

  10. In tank fuel pump on 2001 5.9 - Dodge Cummins Diesel Forum

    Aug 2, 2013 · 2025's Cummins of the YEAR! is now open for VOTING! In tank fuel pump on 2001 5.9 1 reading Jump to Latest 15K views 3 replies 4 participants last post by smokin_dodge Aug 2, 2013