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  1. 2024 2500 transmission problem - ramforum.com

    May 22, 2025 · I have a 2500 Ram with cummins it has 5265 miles on it. Automatic Transmission locked up! It has been at the dealership since April 15th. Was told three weeks ago they were …

  2. Cummins ISL 400 Engine Failure - iRV2

    Jul 8, 2017 · Not to bring up an old problem with Cummins ISL 400 engines, but I didn't know it was an old problem until we recently (June 2017) experienced catastrophic engine failure and …

  3. Successfully did a DPF regen on 2022 with 6.7 diesel. Wahoo!

    Oct 30, 2024 · Hi Everyone, I got a lot of help from this forum - thank you all - so I've created an account and am posting this to give back. My vehicle is a 2022 RAM 2500 with the 6.7 …

  4. Cummins ISL9 engines....Good, Bad or Ugly? - iRV2

    Jun 22, 2025 · The **Cummins ISL 425 HP** (often the ISL9 or ISL 8.9L, depending on year) is generally a **strong, reliable engine**, but like any heavy-duty diesel, it has some known …

  5. Horsepower bump available for ISB 6.7? | iRV2 Forums

    Jun 4, 2021 · Hi Guys: I am purchasing a new 2021 Tiffin Red 360 with the Cummins ISB 6.7 Diesel Engine. Is there a software horsepower upgrade for this model to 450 HP? I know you …

  6. Perform Service reset - RAM FORUM

    Feb 20, 2023 · I just replaced the CCV filter and installed a CCV delete kit at the same time on my 2020 RAM 2500. Tried resetting the Perform Service light about 10 times with no success. …

  7. Review: 2025 Dodge Ram Power Wagon and Rebel HD

    Apr 8, 2025 · The Cummins turbodiesel has been heavily revised for 2025 with a new turbocharger and intake manifold, glow plugs replacing the old grid heater, a top-loading …

  8. Best and worst Cummins ISL 400 engine years - iRV2

    Sep 5, 2022 · I’m looking to buy an ISL 8.8 or 8.9 engine with the common rail fuel system and without the DEF system. What are the best and worst years to buy? Also, any...

  9. 2022 Cummins Regen Issues - RAM FORUM

    Jun 28, 2023 · I have a new '22 Ram with the 6.7 Cummins with 13K miles on it. It has been in and out of the shop for the last few weeks for a check engine light. The code refers to regen …

  10. EGR Delete: Pros, Cons, and Best Kits to Use? - ramforum.com

    Jan 25, 2025 · Trusted information usually comes from Cummins-focused technical forums and experienced diesel shops rather than marketing sites. you can go for SuncentAuto EGR delete …