6 4 Powerstroke Low Pressure Fuel Pump Replacement

The high pressure pump increases fuel pressure for delivery to the fuel injectors.

6 4 powerstroke low pressure fuel pump replacement. On the 6 4 applications a schrader valve test port is provided on the fuel cooler assembly. Howdy gents getting ready to replace the lpfp in my 2012 f350 does anyone have a reference for the process. The 6 4 ford powerstroke engine s low pressure fuel system uses a horizontal fuel conditioning module hfcm to pump fuel from the tank to the engine. High pressure fuel pump wire chafing.

Same issue with another hpfp. 6 4l power stroke diesel high. A fuel cooler system cools fuel that returns from the injectors and the high pressure pump. 6 7l power stroke diesel low pressure fuel pump replacement video.

In the low pressure system fuel is pumped from the fuel tank to the primary fuel filter by the electric pump at about 5 psi to 10 psi during engine idle. Only surges on initial startup. Over time vibrations can cause the wires to be exposed. Also doing fuel filters and an oil change while i m already all dirty.

The normal operating pressure is 3 8 psi. 7 psi outlet pressure at low pressure pump 6 psi on top of fuel cooler. Once exposed you run the risk of shorting your high pressure fuel pump. That s an expensive repair you don t want to risk.

New rail pressure sensor as well. High pressure pump with dtc p0088. The 6 4l diesel is the first ford engine to feature a high pressure fuel pump mounted underhood in addition to a low pressure fuel pump located within the. Shop video 10 17 2016 6 4 high pressure pump repair duration.

Ford 6 4 powerstroke changed fuel filters and no start. 6 4 power stroke new hpfp. The 6 4l ford powerstroke diesel engine like its earlier cousins features a low pressure fuel system that delivers fuel from the tank to the high pressure pump. Early model year 6 4l powerstroke are susceptible to chafing on the high pressure fuel pump harness.

Luckily there is an.