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
Could be coincidence but I'd check your turbo flange and make sure all four bolts are tight. For a quick check, look for soot around that flange. If that appears to be ok, the next thing I'd do is change all the filters again. I use Speedco for less than $300 includes lube, oil and fuel filters oil etc. Since you've already had your oil changed, I'd just replace all the fuel filters. Did you buy the filters or did your 'friend' supply them? Use quality filters, always. Finally, purge your fuel line again to make sure you're getting good fuel....Dennis
