P019D

2017-10-10

Description:

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

Possible Symptoms:

  • Check and replace faulty oxygen sensor in Bank 2 Sensor 3

  • Inspect and clean the intake air system for any clogs or obstructions

  • Verify and repair any exhaust leaks present in Bank 2 Sensor 3

  • Inspect and clean the fuel injectors to ensure proper fuel delivery

  • Check and repair any electrical issues or wiring problems related to Bank 2 Sensor 3

Possible Causes:

  • Faulty oxygen sensor

  • Exhaust leak near Bank 2 Sensor 3

  • Fuel injector issue

  • Faulty Mass Air Flow (MAF) sensor

  • Engine vacuum leak

Related Parts:

Possible Solutions:

  • Decreased fuel efficiency

  • Rough idling or stalling

  • Engine misfires or hesitation

  • Increased exhaust emissions

  • Loss of power or acceleration

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