In this video Luke Langeller, a former high performance engine development engineer, gives his insight on what the shortcomings for the factory CP4 high pressure fuel pump. He also goes over why the CP3 high pressure fuel pump is not prone to the same failures and it is a reliable option for retrofitting in your 2011-2016 LML Duramax.
CP4 High Pressure Fuel Pump Failure Points vs. the CP3 Pump
Collapse
Announcement
Collapse
No announcement yet.
X
Comment