P03D4

2017-10-10

Description:

  • Cylinder 7 Pressure Sensor Circuit High

Possible Symptoms:

  • Check and clean/reconnect the wiring harness and connectors related to the cylinder 7 pressure sensor.

  • Inspect and replace the cylinder 7 pressure sensor if it is damaged or faulty.

  • Verify and correct the engine timing if it is causing abnormal pressure readings in cylinder 7.

  • Inspect and repair any internal engine issues, such as a faulty cylinder head gasket or piston rings, that may be causing high pressure in cylinder 7.

Possible Causes:

  • Faulty cylinder 7 pressure sensor

  • Electrical issue in the circuit of cylinder 7 pressure sensor

  • Engine control unit (ECU) malfunction related to cylinder 7 pressure sensor

  • Vacuum leak in cylinder 7

  • Faulty fuel injector in cylinder 7

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased fuel efficiency

  • Check engine light illuminates

  • Rough idling or stalling

  • Reduced engine power or performance

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