6.7 Powerstroke with a failing CP4 pump Cp4 Replacement 6.7 Powerstroke
There are lots of things it could be but in this video, we'll find out what it takes to diagnose the CP4 in the event of a failure. Fixing the 6.7 Powerstroke’s CP4 Fuel Pump Issues Is the CP4 Pump Really That Bad? (Pt. 1/2) Most people blame the CP4 pump, but the real culprit? Bad habits. A little air in your More durable plug-and-play replacement for the CP4; Does not require any ECU calibration; OE fit and function; Two-piston DCR pump co-developed by S&S/ ...