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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. S

    Code P0088... bad rattle after replacing everything

    Well we ordered the flexplate and torque converter and bolts... we're not trying to do any substantial power upgrades so went with the ThoroughbredDiesel reman TC and a flexplate that sounds better than stock... including shipping about $1100 to Hawaii. Hoping we can find a decent mechanic to...
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    Code P0088... bad rattle after replacing everything

    Thanks for chiming in further guys! The dealer did write a note that says "FCA - good. Manual add power and ground - no"... and the service rep explained that they did give it direct power and ground to see if that changed anything but no. One of my thoughts a month or so ago was to send the...
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    Code P0088... bad rattle after replacing everything

    So one more update from the dealer when we picked up the truck. Fuel pressure hitting 21k psi. Swapped a known working FCA but no change. Since cylinder 4 had a bad miss they capped the injector but there was no change. They flashed the PCM with the newest software but no change. They...
  4. S

    Code P0088... bad rattle after replacing everything

    Funny you should ask... after over 2 weeks at the dealership they just gave us a status update about 30 minutes ago! Not good news either... Still that code P0088 (high pressure at the fuel rail) and their lead diesel tech has tested more things and even had Chrysler corporate try and help...
  5. S

    Code P0088... bad rattle after replacing everything

    Thanks for your feedback, much appreciated!! We are no longer driving the truck. We are still waiting to hear back from the dealer. If they don't give us some good news, we did finally get the numbers for a couple diesel mechanics in the area and will see if someone can help further with a...
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    Code P0088... bad rattle after replacing everything

    Ok... so here's the LATEST update... the saga continues! (sigh) Hoping I'm not boring you... maybe someone has insight after the end of all of this? We got a remanufactured CP3 pump from what appeared to be a smaller American rebuilding family owned business... followed the steps in the...
  7. S

    Unable to tighten injection pump shaft nut to specs

    It was leaking in two places in the seam of the injection pump... we put our old pump back and no leak. Based on all of your input and reinstalling the reman pump two times... it definitely seems like a defective pump. :( Anyway, returning it and coming up with a new game plan. We...
  8. S

    Unable to tighten injection pump shaft nut to specs

    I REALLY appreciate everyone chiming in! So the strange thing I forgot to mention as well, is with the new CP3 pump the truck won't start. We have a FASS Titanium system and the leak starts with the engine in ACC mode and pump running. So here's the question: the local dealer doesn't have...
  9. S

    Unable to tighten injection pump shaft nut to specs

    Well we figured it out... had my friend put a wrench on the pulley below the fan to brace it... now the REAL problem is that the new/remanufactured pump leaks! They didn't include a new O-Ring so I reused the one on the old pump... do you think that could have caused it? The old pump did not...
  10. S

    Unable to tighten injection pump shaft nut to specs

    Went through the process of replacing my CP3 pump and all went well except I can't get the pump shaft nut to tighten to 77 ft/lbs of torque per spec. I got it maybe to around 40 ft/lbs and then it turns the flywheel/fan/etc if I turn it either direction! The factory manual and all the online...
  11. S

    Code P0088... bad rattle after replacing everything

    I placed an order for a remanufactured one for around $450... hopefully that does the trick.
  12. S

    Code P0088... bad rattle after replacing everything

    Thanks guys, your advice is definitely appreciated. The dealer quoted $600 labor and then $1500 for a reman pump or $3k for a new aftermarket one! Definitely not anything easy to swallow... thankfully we have a great affordable mechanic that works with us when we find ourselves in over our...
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    Code P0088... bad rattle after replacing everything

    Glad to know our truck isn't some weird FRANKENSTEIN monster... ;) Anyway, as luck would have it, the dealer JUST called with their diagnosis! They kept the car two nights and had to talk with some global support department to cross reference the issue as they couldn't figure it out on their...
  14. S

    Code P0088... bad rattle after replacing everything

    Thanks everyone! We figured out the fuel line connector issue... I'll see what we figure out either with a scan tool or as a backup we made an appointment with the dealer for next Tuesday... fingers crossed!
  15. S

    Fuel fitting on fuel return line at top of tank won't stay on, leaking fuel!

    Awesome! Thanks everyone, we were able to figure it out and get a new clip. The dealer and other auto parts stores did not know how to find anything though, we had to figure it out ourselves. And it turned out that the fuel line was slightly stuck on the side of the tank so it was a little...
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    Code P0088... bad rattle after replacing everything

    Hmm, that's an idea for sure! Thanks for chiming in! So you felt OK with using a hose clamp with a rubber hose over the plastic fitting that goes into the top of the fuel pump? I just got the feeling (and I think I read a warning on the FASS install document) that it wouldn't be good to use...
  17. S

    Fuel fitting on fuel return line at top of tank won't stay on, leaking fuel!

    Our 04 Ram 2500 just sprung a small fuel leak. Basically the fuel return line at the top of the fuel tank (where it clips into the top of the fuel pump) has unclipped and I can push it back on but it just keeps popping off. It seems like the clip on the connector broke so it won't hold the...
  18. S

    Code P0088... bad rattle after replacing everything

    Based on everything you said, the truck appears to be stock. I tried to take the ECM connectors off and the hex-head bolt at the front of the engine was loosely spinning (maybe stripped) and it won't come out. It does lead me to believe that someone had removed the ECM to do some "work" on...
  19. S

    Code P0088... bad rattle after replacing everything

    Thanks for your input guys. At this point it sounds like we need to take it to the dealer and pay the $300 for them to diagnose. I've already spent too many long days on this and it just doesn't make sense to spend a bunch more $$ on a high-end scanner.
  20. S

    Code P0088... bad rattle after replacing everything

    Ok so I borrowed a test light and connected it to both ends of the FCA harness but no light turned on. I connected the test light to the battery and the light came on as it should. So it seems maybe the ECM isn't sending the right signal to the FCA? Does that point to the ECM needing a...
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