High Pressure Fuel Pump CP4 To CP3 Downgrade issue Ram 2500 6.7 …
Feb 10, 2025 · My dealership preformed the recall to change out the High-pressure Fuel Pump CP4 and install the CP3 on my 2019 Ram 2500 6.7 Cummins with 130K on it. This...
CP4 pump !!!! | RamForum.com | Dodge Ram Forum for Truck Owners ...
Dec 28, 2020 · Thanks for your responses. I'll probably keep the CP4 pump up till about the time the basic warranty expires, then I'll purchase a CP4 to CP3 conversion kit to replace it unless Ram or …
Ram Moves Away From The CP4.2 Injection Pump For 2021
Dec 22, 2020 · Symmetrical Bosch CP4.2 injection pump on late 2020 models (HDRams) The 2019 Ram Heavy Duty models debuted with the new 6.7 liter Cummins Turbo Diesel inline-6, the first to …
The Infamous New Bosch CP4.2 Fuel Pump - RAM FORUM
Aug 29, 2020 · Hello. I am very new to the RAM forum and have worries about the new Bosch CP4.2 Fuel Pump that is being used on the new High Output Cummins 6.7, in the Ram 3500 Duelly, which I …
Recalled CP4 Fuel Pump Went out before I could get the replacement
May 17, 2023 · I called yesterday for an update at the dealership and was told, yep- it was the CP4 fuel pump and that they had to wait to see what Ram wanted to do. I know they are responsible for the …
CP4 | RamForum.com | Dodge Ram Forum for Truck Owners
Oct 12, 2020 · The design of the CP4 seems to make the failure worse by allowing the fine metal fragments to contaminate the entire system. Pretty much the whole fuel system needs to be …
Cp4 buzzing noise | Ram Heavy Duty Forum
Mar 18, 2021 · I have a 2020 Ram 5500 6.7 Cummins with a build date of 8/20 It has the revised cp4 injection pump with the big dimple on the pump. Ever since we got this truck it makes a loud buzzing …
CP4 to CP-ISB21S3 (revised CP3) change for 2021 6.7L Diesel Trucks ...
Dec 19, 2020 · CP4 to CP-ISB21S3 (revised CP3) change for 2021 6.7L Diesel Trucks -- Merged Threads Viper67 Dec 19, 2020 1 …
Cp4 - Post recall service Problems | Ram Heavy Duty Forum
Jul 26, 2024 · After getting the recall done at my local dealership (on my 2019 2500 mega cab bighorn) to swap the cp4 (about 1.5 years ago) I noticed a boost leak sound coming from my left ac vent / …
CP4 to CP3 conversion discussion moved from larger CP3 thread
Jul 17, 2021 · CP4 to CP3 conversion discussion moved from larger CP3 thread NordicNevs Jul 17, 2021