Shortly after getting the 2017 Ram, I noticed that its computer says the fuel filter is at 13%, so I started looking at replacement filters. This truck has two of them — one in the engine compartment and one under the truck by the back axle.
The consensus on the Cummins forums is that you should get the name brand (either Mopar or Fleetguard) filters available at Geno’s Garage. Even though the name brand filters are expensive (about $50 each), stay away from aftermarket or no-name filters. This is an expensive fuel system and engine and you can void your warranty if you use the wrong filters.
Last Thursday, June 6, I traded the 2018 Cruze for a 2017 Ram 2500 with the 6.7L Cummins and 24,007 miles. It’s still in manufacturer bumper-to-bumper warranty until 36,000 miles (and powertrain to 5 years / 100,000 miles).
Loving it so far. On the third trip up Sedillo Hill west of Socorro, at the top of the hill the check engine light came on. When I got home, I scanned for codes and got P2281 (“leak between MAF and throttle body” — which, translated into Cummins terms, means a possible boost leak somewhere between the air filter and the intake, so it could be any number of pipes, boots, or the intercooler.)
I cleared the code and drove it again, and it didn’t come up after another trip up the hill. I’ll keep an eye on it.