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  1. 2013-2018 Powertrain
    I have the notorious surge/loping issue seen on here several times. However mine only happens when the truck is at operating temperatures. It is noticeable at idle, but is much worse when in gear and idle. It will rock the truck enough to slosh around my coffee, which is a no-go for me at 4am...
  2. 03-07 Powertrain
    Ok this is a long one. 6 January 2024, I filled up with diesel at QT outside of Denver. 1 or 2 days later, my truck begins having white smoke on a cold start up. I just replaced the fuel filters 2 days before in Houston. I tried draining them, changing them again, and adding a heavy dose of...
  3. 98.5-02 Powertrain
    So Its a 2000 2wd 2500 and I was cruising down the highway and my cylinder 1 injector line broke. I pulled off and got it towed home. Ordered a new line got it installed and then bled the system. This is not my first go round with bleeding the system even after changing a line. I can't get it...
  4. 2013-2018 General Discussion
    Hi guys I’m currently having a problem with my 2016 ram 2500 limited it currently has a check engine light on with the code P0698 stored in the ECM it will not clear and the truck starts slow and it lopes/surges at idle I checked the voltage at the plug for the pedal and I have one pin with 5...
  5. 03-07 Powertrain
    I have an 06 and had schied put a reman crate motor and new injectors in. Ram great for about a year and a half. Now it’s got a miss and blowing white/gray smoke and no code. I had a buddy hook up his computer to it and the inject flow rate were all over the place. The injector were still under...
  6. 2013-2018 General Discussion
    I’ve searched everywhere, but can not find any help with this one, nor have I seen any videos of others trucks doing this. truck starts great, can be +30 or -30, but as soon as I manually or auto high idle kicks in, the truck sounds like it’s about to blow up. 280k km’s I’m not a mechanic by...
  7. 03-07 Powertrain
    My 06 5.9 was giving off a bug spray smelling white smoke on startup, rough idle on startup, the wait to start was constantly on, there was a light ticking, and I got the 5 dings on startup, so naturally I thought injectors. I went with the ones from bulletproof diesel (2004.5-2009 model) and...
  8. 94-98 Powertrain
    Background: I have swapped a Cummins out of a 1995 2500 into a 1971 School bus. The engine will start and run but I have been chasing a hard start issue since I got it in the bus. When starting I have to give the engine a little bit of throttle and it takes probably 10 seconds on the starter to...
  9. 03-07 Powertrain
    New engine rebuild have bled lines and checked triple checked injectors etc. No1 here in Aus has a clue how to help. Engine is idling rough and romping quite badly. When slow idle and release it seems to idle okay but when pick up revs and release it begins to romp again.. any suggestions...
  10. 2019+ General Discussion
    Problem not resolved, moving on to other solutions.
  11. 2003 & Early 2004 Only Discussion
    Early 04 305 hp truck. Fired truck up last week to haul with and idling it sounded weird. Was missing, didn’t sound like it normally does. Did my hauling that I needed about 40 miles later parked and it sounded the same, still missing. Let truck sit over the weekend and fired it up to move the...
  12. 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...
  13. 2019+ Non-Powertrain
    Hi all! I have a 2019 RAM 3500 6.7l Cummins with 6spd AISIN with 170k Miles. I recently broke federal law on it and after about 6k miles I was driving on the highway hauling a 40ft gooseneck with about 4k lbs on it and suddenly it lost power and started shifting hard. There was no check engine...
  14. 89-93 Powertrain
    Working on a early 91 Non-IC D250 showing 140K miles that sat for over 10 years baking in the AZ sun. After replacing the injectors and lift pump and resealing the injection pump the truck blows quite a bit of white smoke, misses and has high fuel consumption just idling. I've got the fuel cut...
  15. 03-07 Non-Powertrain
    Hi y'all, It's 32 degrees down here in South Texas and I just turned my truck on after sitting for a ten hour shift at work. I think I know the answer to this question but I wanted to ask seasoned vets since I am new and willing to learn. I turned the key to on, waited for the grid heater...
  16. 2010-2012 Powertrain
    A little back story was backing up to a camper got out left the truck running while I was rolling everything up. As I was doing so I heard the truck kind of stumble through the exhaust I have a video I’ll try to post. It only done it for a second then stopped well got in the truck fuel light...
  17. 98.5-02 Powertrain
    I have a 2001 5.9 with a 6sp manual transmission. Every time I start it (hot or cold) it has a rough idle for about 5 seconds, during that 5 seconds the tach will jump around. Once the idle smooths out the tach dies and it sounds normal. There seems to be some lack of power but I'm not sure if...
  18. 98.5-02 Non-Powertrain
    I have an 02 quad cab and when it’s 50° or any colder it’s really hard to start and when it does start it’s really rough idling like all the cylinders aren’t firing for a good minute or two and blowing out a lot! Of white smoke,but after a minute or two it idles just fine and the white smoke...
  19. 2013-2018 Powertrain
    So, have a '15 with 275k miles. It has always just barely coughed on 1st start of the day no matter of the outside temp. All of a sudden, it got way worse. On 60 degree morning, it starts like it is 10 degrees outside. Clears up in about 30 seconds and starts fine the rest of the day. No...
  20. 2019+ Powertrain
    Hello everyone. The other day, I stared my 2019 cummins, and after a few seconds at idle, I heard a distinct motor sound change and the truck began to lope. Now, It has lower power, lopes, and shudders terribly while driving at low RPMs. It shudders so bad I have to drive in 5th gear while...
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