P03C3

2017-10-10

Description:

  • Cylinder 5 Pressure Too High

Possible Symptoms:

  • Check for any clogs or blockages in the fuel injection system

  • Inspect and clean the fuel injectors of cylinder 5

  • Verify the fuel pressure regulator is functioning properly and replace if necessary

  • Check the ignition system, including spark plugs and ignition coils, for any issues and replace as needed

  • Perform a compression test on cylinder 5 to check for any internal engine problems

Possible Causes:

  • Faulty fuel injector in cylinder 5

  • Damaged or stuck open fuel pressure regulator

  • Malfunctioning engine control module (ECM)

  • Leaking or restricted fuel line to cylinder 5

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased fuel efficiency

  • Poor acceleration or lack of power

  • Check Engine light illuminated

  • Engine overheating

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