ISL not performing
OK you diesel experts, here's what's going on. I have a 400HP Cummins ISL in a 2005 Itasca Horizon motor home. I've had this coach for 3 years and it's performed flawlessly. Last winter I had a die...
Forum Discussion
In my experience (admittedly with trucks and tractors, not MHs) that is exactly the type of behavior you get from diesels with a plugged fuel filter. Usually due to the fuel gelling when it gets cold out, but there are a ton of other causes or maybe just a defective filter.
I agree that checking and possibly replacing the fuel filter is step 1.
I agree that checking and possibly replacing the fuel filter is step 1.
