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What Does P0263 Code Mean?

OBD-II Code P0263 is defined as a Cylinder 1 Contribution/Balance

When the engine control module (PCM) detects that cylinder one is not sufficiently contributing to keeping the engine running properly, it will set code P0263.

P0263 Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P0263 Code

  • Fuel injection control module (FICM) failure
  • Fuel injector failure
  • Internal engine failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P0263 Code

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