P019C

2017-10-10

Description:

  • O2 Sensor Delayed Response Rich to Lean Bank 2 Sensor 3

Possible Symptoms:

  • Check and clean the O2 sensor on bank 2 sensor 3

  • Replace the O2 sensor on bank 2 sensor 3 with a new one

  • Inspect and repair any exhaust leaks on bank 2 sensor 3

  • Check the wiring and connections related to bank 2 sensor 3 for any damages or loose connections

  • Perform an engine tune

  • up to ensure proper fuel

  • air mixture on bank 2 sensor 3

Possible Causes:

  • Faulty oxygen sensor in bank 2 sensor 3

  • Clogged or dirty fuel injectors

  • Vacuum leak in the intake manifold

  • Malfunctioning catalytic converter in bank 2

  • Issue with the engine control module (ECM)

Related Parts:

Possible Solutions:

  • Check engine light comes on

  • Decreased fuel efficiency

  • Engine misfires or stalls

  • Rough idle or hesitation

  • Increased emissions

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