Dealing With 6.7 Powerstroke Low Pressure Fuel Pump Failure Symptoms
The low-pressure fuel pump, often called the lift pump or the Diesel Fuel Condition Module (DFCM), sits on the frame rail right under the driver's side. Its job is simple: suck fuel out of the tank, push it through the primary filter, and send it up to the high-pressure fuel pump (HPFP) at around 55 to 70 psi. When it starts to get tired or just flat-out dies, your truck is going to tell you about it. ...