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OBD II Fault Code

  • OBD II P2230

OBD-II Code Decreased engine performance is defined as a Barometric Pressure Sensor "A" Circuit Intermittent/Erratic

The Barometric Pressure Sensor monitors ambient air pressure. Most manufacturers have this sensor integrated into the Mass Airflow Sensor (MAF) or the Powertrain Control Module (PCM). The PCM compares this reading to other sensors to verify the Barometric Pressure Sensor's Calibration. If the PCM determines that the sensor has lost its calibration or voltage reading from the sensor is incorrect, the PCM will set code P2230.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Increased fuel consumption

Common Problems That Trigger the P2230 Code

  • Clogged air filter
  • Mass Air Flow (MAF) sensor failure
  • Powertrain Control Module (PCM) failure
  • Powertrain Control Module (PCM) software needs to be updated
  • Wiring issue

Common Repairs Needed for the P2230 Code

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