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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. 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 …

  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. 24v ve pump conversion | Cummins Diesel Forum

    Nov 2, 2012 · 1992 non inter cooled ve pump arrived ve pump installed, I timed it on the letter c of the gear, and installed 3200 rpm spring first run of the ve dodge ram cummins 24v ve pump first run - …

  5. Shim transfer pump cat - The Diesel Garage

    May 25, 2009 · the 316-6863 fuel transfer pump gp,316-6864 fuel transfer pump gp if bypass fuel pressure is below the minimum spec, can be updated by the installation of the 339-4983 stiffer spring …

  6. 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 …

  7. DEF Pump Replacement Periodicity | Cummins Diesel Forum

    Mar 31, 2022 · Replacement did solve the problem. Only replacing the DEF Injector did NOT solve the problem. I am wondering at what mileage should DEF pump replacement be a preventive …

  8. CP4 Fuel pump disaster | Cummins Diesel Forum

    Apr 11, 2022 · The CP4 was never meant to pump the amount of fuel it has to move for our trucks. The main problem is when air bubbles/pockets are pushed through it. Aftermarket lift pumps help prevent …

  9. 2004 vacuum pump and service manual | Cummins Diesel Forum

    Feb 6, 2015 · The vacuum pump runs the cruise control. U will see the black plastic vacuum line coming off the pump and going across the upper firewall. In the middle of the firewall there is a line going …

  10. P-Pump & AFC Crashcourse.. (includes P3000 & P8000)

    Sep 11, 2010 · 2025's Cummins of the YEAR! is now open for VOTING! P-Pump & AFC Crashcourse.. (includes P3000 & P8000) Jump to Latest 46K views 26 replies 16 participants last post by …