Cummins has a rich history of robust ... offer grid heater upgrade kits that include things like a new air intake and alternative heating methods that don't include the grid heater or troublesome ...

To make service easier, and improve air flow and performance, the new Cummins engine uses improved intake port geometry for top feed injectors, top load lubrication and integrated fuel filters.

One owner posted to Cummins Forum, writing "Every time I hit a bump on the highway it kicks out of OD." A popular theory is that the throttle position sensor might be to blame, as it's what ...