P016D

2017-10-10

Description:

  • Excessive Time To Enter Closed Loop Fuel Pressure Control

Possible Symptoms:

  • Check for any vacuum leaks in the intake system and repair them if found.

  • Inspect and possibly replace the fuel pressure regulator if it is malfunctioning.

  • Clean the fuel injectors to ensure proper fuel flow.

  • Perform a throttle body cleaning to remove any carbon buildup that may be affecting fuel delivery.

  • Finally, if all else fails, consider replacing the engine control module (ECM) if it is determined to be faulty.

Possible Causes:

  • Faulty oxygen sensor

  • Clogged or dirty fuel injectors

  • Malfunctioning mass airflow sensor

  • Fuel pump failure

  • Intake air leak

Related Parts:

Possible Solutions:

  • Engine misfires or stumbles

  • Rough idle or stalling

  • Decreased fuel efficiency

  • Difficulty starting the vehicle

  • Check engine light illuminated

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