P03A3

2017-10-10

Description:

  • Cylinder 2 Pressure Sensor Circuit Intermittent/Erratic

Possible Symptoms:

  • Check and ensure proper connection and wiring of the cylinder 2 pressure sensor.

  • Inspect and clean the cylinder 2 pressure sensor to remove any debris or dirt.

  • Replace the cylinder 2 pressure sensor if it is damaged or malfunctioning.

  • Verify the engine control unit (ECU) software for any updates or reflash if necessary.

Possible Causes:

  • Loose or faulty wiring/connection in the cylinder 2 pressure sensor circuit

  • Malfunctioning cylinder 2 pressure sensor

  • Engine misfire in cylinder 2

  • Fuel delivery issue to cylinder 2

  • Compression problem in cylinder 2

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased fuel efficiency

  • Lack of power or acceleration

  • Check Engine Light (CEL) flashing or illuminated

  • Irregular or fluctuating engine idle speed

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