P03B0

2017-10-10

Description:

  • Cylinder 3 Pressure Variation Low

Possible Symptoms:

  • Check the ignition system, including spark plugs, ignition coils, and spark plug wires, for any issues or signs of wear.

  • Inspect the fuel system and ensure that the fuel injectors are clean and functioning properly.

  • Verify that the cylinder 3 fuel injector is receiving the correct amount of fuel and is operating correctly.

  • Examine the compression in cylinder 3 and compare it to the other cylinders to identify any potential issues with the cylinder or piston rings.

  • Inspect the engine's valve train and ensure that the valves in cylinder 3 are opening and closing properly.

Possible Causes:

  • Faulty spark plug in cylinder 3

  • Ignition coil malfunction in cylinder 3

  • Fuel injector issue in cylinder 3

  • Compression loss in cylinder 3

  • Engine control module (ECM) failure

Related Parts:

Possible Solutions:

  • Engine misfires or runs rough

  • Decreased engine power or acceleration

  • Poor fuel efficiency

  • Rough idling or stalling

  • Illumination of the check engine light

Search