OBD Codes List

Diagnostic reference · P053F

P053F

Cold Start Fuel Pressure Performance Bank 1

System
Speed and idle control (P code)
Lamp
Check Engine Light
Category
Powertrain - Computer and Auxiliary Controls

What it means

P053F means Cold Start Fuel Pressure Performance Bank 1.

Check these first

  • A weak fuel pump
  • A failed fuel pressure sensor
  • A clogged fuel filter
  • A leaking injector on bank 1
  • A sticking fuel pressure regulator

What to do next

  1. Watch rail pressure on a scan tool during a cold start
  2. Compare commanded and actual pressure
  3. Replace the fuel filter if pressure is low
  4. Test bank 1 injectors for a leak
  5. Replace the pressure sensor or pump if pressure stays off
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.