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OBD II Fault Code

  • OBD II P2275

OBD-II Code Decreased engine performance is defined as a O2 Sensor Signal Biased/Stuck Rich

The oxygen sensor measures the amount of oxygen in the exhaust between the engine and the catalytic converter. This sensor is supposed to fluctuate a minimum of 10 times per second within a specified voltage. If the engine's control module (PCM) does not see the correct fluctuations, the PCM will set code P2275.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P2275 Code

  • Clogged air filter
  • Oxygen sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P2275 Code

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