P03A4

2017-10-10

Description:

  • Cylinder 2 Pressure Too Low

Possible Symptoms:

  • Check spark plugs and replace if necessary

  • Inspect ignition coil for defects and replace if needed

  • Clean or replace the fuel injector for cylinder 2

  • Perform a compression test on cylinder 2 and repair any issues found

  • Check the wiring and connections related to cylinder 2 for any faults and repair as necessary

Possible Causes:

  • Faulty spark plug or ignition coil in cylinder 2.

  • Clogged fuel injector in cylinder 2.

  • Low compression in cylinder 2.

  • Vacuum leak in cylinder 2.

  • Issues with the engine control module (ECM) or fuel system in cylinder 2.

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased acceleration or power

  • Increased fuel consumption

  • Engine hesitation or stumbling

  • Illuminated Check Engine Light

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