I just went over 13,000 miles and except for some bogus check engine lights that were fixed with reflashes on the PCM and ECM I've had no problems with the truck but I don't let her idle for long periods of time and I do a lot of highway driving. Here's the thread about how the
http://cumminsownerz.com/f38/cummins...te-filter-132/ works on our trucks and one of the things that the truck needs to keep the filter clean is heat and lugging around in town isn't going to create that heat like a 20 minute drive on the highway at 70 mph. (This ain't your daddy's Cummins diesel.)