OBD II Fault Code

  • OBD II P2636

OBD-II Code Decreased engine performance is defined as a Fuel Pump "B" Low Flow/Performance

The Fuel Pump enables the transfer of fuel from the tank to the fuel injectors. If the engine control module (PCM) detects an incorrect signal from the Fuel Pump, the PCM will set code P2636.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Engine may not start

Common Problems That Trigger the P2636 Code

  • Fuel pump failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P2636 Code

Not the OBD-II Code You're Looking For?

No comments yet…

Sign in to comment