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  1. 2021 Laramie 2500 Cummins won't start after Diesel Pre-Heat

    Aug 27, 2021 · This morning it got down to 48 degrees. Jumped in the truck, hit the start button, and the "Waiting for Diesel Pre-Heat" came on for 10 seconds - All normal and expected. Then …

  2. 06 Cummins cranking but no start - ramforum.com

    Dec 12, 2016 · I have an 06 dodge 3500 that’s completely stock that turns over great but won’t start -batteries are fully charged -the engine will not do anything at all as far as trying to start, …

  3. If you have a Cummins diesel, when do you change your fuel filters?

    I have a 2022 2500 4X4 diesel and my gauge is currently showing I have 14% life left on the fuel filters (I'm told there are two). For those of you who own a diesel, how low do you permit the …

  4. Cummins Life Expectancy - RAM FORUM

    Apr 25, 2018 · Just wondering what kind of life expectancy I will get out of a Cummins? Used as a daily driver, snow plowing, towing the boat weekly during the summer months and some long …

  5. Mopar or Shell Rotella oil for a 2022 Cummins? - RAM FORUM

    May 11, 2022 · Just curious, my dealership uses Mopar products regarding maintenance for my new truck. My question is, should I purchase the Shell Rotella oil and Fleetguard filters and …

  6. 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 …

  7. Best oil for 2020 Ram 2500 6.7 L Cummins? - RAM FORUM

    Oct 11, 2020 · A number of oil for cummins 6.7 may be approved for the same Cummins engine, but subject to shorter drain times. Aftertreatment engines require oils with lower sulfated ash …

  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. 2023 Ram 2500 Cummins 6.7 DPF

    Joined Feb 14, 2024 Posts 8 Reaction score 5 Location Central New York Ram Year 2023 Engine Cummins 6.7

  10. Are there any bad years for the cummins? - RAM FORUM

    Jul 12, 2019 · The 19 and 20 Ram Cummins used a CP4 pump, and it was very problematic for a lot of owners. For 21, Ram has gone back to the CP3, which is what was used on the motors …