Jul 9, 2021 · DGBPokes Cummins Engines 4 06-04-2015 06:40 PM cummins 350 isl problems dmsra72756 Cummins Engines 15 06-03-2011 09:16 AM

Nov 14, 2019 · iRV2 Forums > POWER TRAIN GARAGE FORUMS > Cummins Engines Anyone have their Cummins L9 tuned up from 400-450 HP?

Apr 17, 2015 · Has anyone had a problem with their ISL And the code is 559? Has to do with the fuel rail pressure. Symptoms are a check engine light under load and of course it derates !

Apr 24, 2020 · I’ve been reading up on the Renegade Verona Super C that comes with the Cummins L9 350 hp engine. Torque is rated at 1150. I also was reading up on Newmar Class …

Oct 27, 2025 · We have a 2022 Foretravel FS-450 with the Cummins L9 engine. On Monday, October 6th, we had driven about 200 miles from the Houston area going to Shawnee...

Jan 11, 2023 · Re: Engine Temp Fluctuations - Cummins 6.7L? Perfectly normal, as stated above, the engine coolant temperature will fluctuate slightly as the thermostat tries to maintain a …

Oct 29, 2023 · I have a 2015 RAM 3500 6.7 Cummins with 190,000Km. It is entirely deleted with Warp tuning. I did an engine service yesterday and noticed metal flakes in the fuel drained …

Dec 29, 2023 · Re: Disconnect Exhaust Brake? Or Turbo Problems? Leak? The MLS exhaust gaskets make a hell of an ear-piercing squeal when they are leaking, especially when using …

Feb 18, 2025 · After installation, the truck ran fine for 2 miles or so. Check engine light and low fuel rail pressure code and stalling out. Rail pressure was around 1600 at idle. I removed the …

Aug 7, 2012 · 2006 build 400 HP Cummins ISL 94,000 miles. I just returned from Alaska. Had no problems with the coach. I noticed when I was parking the coach there was oil around the …