The ticking time bomb under the hood
Two of my friends had the Bosch CP4 high pressure fuel pump grenade in their 2012 F350s with the 6.7 liter Diesel. It took out the entire fuel system and injectors. Both trucks had over 130,000 mil...
Forum Discussion
Glacier D wrote:
Here is what I've read on this pump, Ford and GM use the CP-4 in their diesels. Apparently GM has been paying for repairs should the pump go south, Ford has not been paying for repairs even under warranty. Cummins now uses that pump for the 2020 6.7L, I'm sticking with my 2011 Ram 6.7 with the CP-3.
According to everything I can find online, the L5P Duramax (2017-) uses a Denso pump.
