A 2023 Ram 2500 Cummins,
serviced where it was parked.

Why this one’s worth reading

Modern diesel service is where “just an oil change” stops being simple. A 6.7L Cummins takes twelve quarts of the right oil, runs two fuel filters people forget, has a crankcase-ventilation filter on a service interval — and the emissions system needs real diagnostic tooling, not a parts-store code reader. A forced DPF regen is a scan-tool procedure with the engine managed the whole time.

All of it happened in the parking spot where the truck sat. Proper tooling comes with me — that’s what makes mobile work on modern vehicles possible at all.

1. 1Full synthetic oil service — the correct heavy-duty spec, all twelve quarts of it.
2. 2Both fuel filters replaced — the pair protects the high-pressure injection system; skipping one is how injectors die.
3. 3CCV filter replaced — the interval item most quick-lubes never mention.
4. 4Forced DPF regen + codes — soot burned down under scan-tool control, codes read and cleared, truck road-ready the same visit.

Run a diesel?

If a pickup earns its keep, service timing matters more, not less. I do the full diesel checklist — oil, filters, CCV, DPF work — at your home or wherever the truck’s parked, with the right tooling on board.