dpf delete loping idle

JustinD

Plow Truck
Nov 21, 2008
2,067
0
36
41
Tiverton Rhode Island
Fuel Pressure regulator?? My old CP3 used to do that bad, I ran some 2stroke oil in my fuel and it seemed to help alot, it eventually came back I kept using the 2 stroke oil, I knew I was changing it all soon. Try an additive or 2 stroke.