Close

Diagnostic Trouble Code – P0148

Description

P0148 – Deviation between Fuel Pressure Set Point and Actual Fuel Pressure

Possible Causes

  • Other DTCs present
  • Fuel leaks
  • Fuel control actuator
  • Fuel pressure sensor
  • Cascade overflow valve
  • Check valve damaged or blocked
  • Fuel return line obstruction, damage, or debris
  • Lift pump flow
  • Air in fuel system
  • Leaking fuel injectors or high-pressure connectors
  • Pressure limiting valve
  • High-pressure fuel pump
  • Intermittent condition
The contents of HotShotsSecret.com, such as text, graphics, images, and other material contained on the Diagnose Your Diesel section are for informational purposes only. Always seek the advice of your mechanic or other qualified professional with any questions you may have regarding your vehicle’s condition.

TALK TO AN EXPERT

800-341-6516

OPEN + Expedited FREE Shipping* Orders placed before noon ET ships same day M-F