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  1. 2019+ General Discussion
    TLDR; trying to understand if replacing fuel lift pump makes sense given my below experience, or if replacing fuel filters again so soon is the right way to start, or a completely different route should be considered... Recently went on a pretty long road trip for Thanksgiving week (~2200 miles...
  2. 89-93 Non-Powertrain
    Having some fitment issues replacing the LP. Tried two different Delphi parts (MF0032, HFP274) from Napa. MF0032 lists 1/4-18 for “inlet” and also for the other “inlet.” HFP274 lists m14-1.5 for one “inlet” and 1/2-20 UNF for the other “inlet”. My stock quick connect fitting from the truck...
  3. 98.5-02 Powertrain
    Hey gents, iv been chasing this intermittent fueling issue for months now, spent thousands and recently broke down and had to get towed. The main symptoms: -random loss of all fuel pressure when the truck gets really hot (towing will do it or driving for an hour in the heat of the day but i...
  4. 07.5 - 09 6.7L Non-Powertrain
    I have an 07, 3500, 6.7, megacab. Been a great, no issues truck until recently. In-tank fuel pump (fp) failed a month ago. Replaced it and fuel filter. Ran for a day then has not stated since. Turns over strongly. FP is not getting power. Tested fp again and it is good. Ohmed all the wires...
  5. 03-07 Non-Powertrain
    I have a 2004.5 5.9 common rail and I started it to move it into my shop for a tranny rebuild and it stalled after running for about 30 seconds. When I went to start it I realized the lift pump wasn't running so I pulled the connector off the top of the tank and tested if the pump was getting...
  6. 94-98 Powertrain
    Update we believe the problem to be a bad injection pump, fuel rack is sticking. (posting for a friend) No start, cranked, primed, bled, no start. The first thing he noticed is the p pump or ofv does not make a sound while priming?? You know that air hissing sound you get after pushing the...
  7. 03-07 Performance Parts Discussion
    I've been reading this forum for years to figure out stuff for my truck, but I finally found something i cannot find the answer to here. I have a smarty touch programmer and it shows all kinds of stuff I don't understand. I recently started having some start issues and on here it says either...
  8. 03-07 Powertrain
    Sooo... NOOB here. I bought a 06 2500 Cummins and it did run, now it doesn't. I had to jump it to get it on the trailer, no problem. Jumped it to get it off as well. Bought two new batteries and rerplaced the cables, positive and negative. Sanded the connections to the grounds and fuse block...
  9. 89-93 Powertrain
    Hey guys I have a 1990 D250 2wd. Just put a rebuilt VE pump on, and still getting air to the injectors in the fuel. I can hear a quiet “sssssss” sound when i stick my head under the hood after attempting to crank for a minute. It sounded like it was coming from the lift pump. Took off old lift...
  10. 98.5-02 Powertrain
    I recently installed the fleece powerflo in tank lift pump with the new 1/2” fuel line and the fleece filter housing that replaced the stock filter bowl. At first I had a few leaks that were my fault and I fixed them. Now after reading many many threads on hard starts, I came across the inline...
  11. 98.5-02 Performance Parts Discussion
    Need help please!!!! Fuel pressure gauge jumping 1999 24 valve with isspro gauges… just bought a brand new fass 165 and the fuel pressure keeps going down to 0Psi and back up to 18psi as it did with the stock lift pump before I installed the fass also the lift pump also doesn’t prime when...
  12. 98.5-02 Non-Powertrain
    So 98.5 truck started to die when i would push clutch in to come to a stop. The lift pump wouldnt come on when i turned on the key. When i bumped key to get it to run a long time, it would just run for a second. What to do?
  13. 03-07 Powertrain
    I noticed today coming home my truck would occasionally jump in rpms only like one tick on the tach but you could feel it. No cruise, and would do it in any gear and speed about every 30 seconds. First thing I am doing is draining the housing of the filter, going to replace the filter then go...
  14. 2013-2018 Powertrain
    Hello, I'm hoping that someone can help me figure out what's going on with my truck. I recently replaced the power steering pump and after doing so I now have a lope at idle. I don't believe there is a connection with the pump but I may be wrong as I did move the airbox and I could have caused...
  15. 2010-2012 Powertrain
    Not sure where to start so - I have 30% over injectors, less than 50k miles old from Exergy (truck 280k) tuned with a RaceMe Ultra on +60hp tow tune. During the summer months, if I ever did a hard pull I would get a CEL with code: P0087: Fuel Rail Pressure Too Low. Back then I would think...
  16. 911 Urgent Situations Archive
    Hello all, I’m in a huge time crunch at the moment and could really use help, A bit of my background, I’ve owned at 93 and 95 12V, a 08, 09 and 10 6.7 and now own a 98.5 24V. the current truck 98.5 24V ran out of fuel one day and I’m assuming killed the fuel pump and VP44, I replaced the fuel...
  17. 98.5-02 Powertrain
    First time diesel owner with a new truck. 90,000 OG miles. Unable to contact original owner now. I drained and changed the fuel filter and went through the bumping the starter process to prime the filter.NO start. NO pump noise. I opened it up filter to check if it filled and no fuel pumping...
  18. 911 Urgent Situations Archive
    Hey all, I'm disappointed that this is my first post but I'm in need of my truck and cannot get it to start. I have a 1995 ram 3500 with the 5.9 12 valve cummins. I changed my fuel filter the other day and the WIF sensor that attaches to the bottom of it(filled the filter with fresh diesel)...
  19. 98.5-02 Performance Parts Discussion
    I might have put this in the wrong forum so ahead of time my bad I’m new to the site… but I’m stuck on rather just getting a new vp44 or a fass pump (my problem) I was driving and the truck and it started misfiring (like it was 2-stepping) pulled over turned it off n on, and saw my fuel...
  20. 03-07 Performance Parts Discussion
    So I’m upgrading to a DDP 12mm cp3, I already had a Fleece power-flo pump in tank but want at least 200+ gph to the cp3. so I got a Fleece distribution block, 1/2” fuel line, Napa fuel filter head, Donaldson filter, etc. for the fleece pump. I plan on ordering a Fass this week and running it...
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