P039D

2017-10-10

Description:

  • Cylinder 1 Pressure Variation High

Possible Symptoms:

  • Check and replace the spark plugs in the cylinder 1.

  • Inspect and clean the fuel injector in cylinder 1.

  • Verify proper compression in cylinder 1 and perform necessary repairs if needed.

  • Check the ignition coil in cylinder 1 for any malfunction and replace if necessary.

  • Perform compression test on cylinder 1.

Possible Causes:

  • Faulty spark plug in cylinder 1

  • Clogged or dirty fuel injector in cylinder 1

  • Low compression in cylinder 1

  • Ignition timing issue in cylinder 1

  • Faulty ignition coil in cylinder 1

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Reduced engine power or acceleration

  • Excessive fuel consumption

  • Difficulty starting the engine

  • Engine stalls or shuts off unexpectedly

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