P03B6

2017-10-10

Description:

  • Cylinder 4 Pressure Sensor Circuit High

Possible Symptoms:

  • Check and replace the spark plug in cylinder 4

  • Inspect and replace the ignition coil for cylinder 4

  • Verify and replace the fuel injector for cylinder 4

  • Test and replace the engine control module (ECM) if necessary

  • Inspect and repair any wiring or connections related to the cylinder 4 pressure sensor circuit

Possible Causes:

  • Faulty cylinder 4 pressure sensor

  • Wiring or connection issue with the cylinder 4 pressure sensor circuit

  • Engine control module (ECM) malfunction or programming error

  • Internal engine problem affecting cylinder 4, such as a valve issue or compression problem

  • Faulty fuel injector for cylinder 4

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased power or acceleration

  • Poor fuel efficiency

  • Engine stalling or hesitation

  • Check Engine Light illuminated

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