What Does P0088 Code Mean?

OBD-II Code P0088 is defined as a Fuel Rail/System Pressure - Too High

The engine computer (PCM) monitors the actual fuel pressure and adjusts the Fuel Pump's operation to meet the desired fuel pressure needed to keep the engine running. If the PCM sees that the fuel pressure is too high, code P0088 will set.

P0088 Symptoms

  • Decreased engine performance
  • Engine may stall
  • Increased fuel consumption

Common Problems That Trigger the P0088 Code

  • Fuel pressure regulator failure
  • Powertrain Control Module (PCM) failure
  • Restriction in the fuel system
  • Wiring issue

Common Repairs Needed for the P0088 Code

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