6 4 Powerstroke Low Pressure Fuel Pump Replacement

New rail pressure sensor as well.

6 4 powerstroke low pressure fuel pump replacement. 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. Same issue with another hpfp. The pump is capable of creating pressures in excess of 24 000 psi regardless of engine rpm. Once exposed you run the risk of shorting your high pressure fuel pump.

Early model year 6 4l powerstroke are susceptible to chafing on the high pressure fuel pump harness. Over time vibrations can cause the wires to be exposed. 6 7l power stroke diesel low pressure fuel pump replacement video. The adapter learning parameter reset has not been done yet.

Howdy gents getting ready to replace the lpfp in my 2012 f350 does anyone have a reference for the process. Luckily there is an. Instead of controlling fuel delivery with pressurized oil the engine uses a high pressure fuel pump to create very high fuel pressure and store it in the two fuel rails that directly feed the injectors. A fuel cooler system cools fuel that returns from the injectors and the high pressure pump.

High pressure pump with dtc p0088. The harness came from my other 6 4 that cracked a piston a few weeks. 7 psi outlet pressure at low pressure pump 6 psi on top of fuel cooler. I have checked the low pressure fuel and it hovers right around 5 6 psi.

I also forgot to mention that the entire engine wiring harness has been replaced and it has the same symptoms. Is this something that you can do yourself or will it need to be done at a dealer. That s an expensive repair you don t want to risk. 6 4 power stroke new hpfp.

On the 6 4 applications a schrader valve test port is provided on the fuel cooler assembly. High pressure fuel pump wire chafing. The normal operating pressure is 3 8 psi. The high pressure pump increases fuel pressure for delivery to the fuel injectors.

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. Unlike the 7 3 and 6 0 powerstroke engines the 6 4l is a common rail diesel engine. 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.