P0664

2017-10-10

Description:

  • The fault code P0664 indicates that there is an issue with the Intake Manifold Tuning Valve Control Circuit Bank 2.

Possible Symptoms:

  • Decreased engine performance or power

  • Rough idling or engine stalling

  • Poor fuel efficiency

  • Check Engine Light (CEL) illuminated

Possible Causes:

  • Faulty intake manifold tuning valve

  • Open or short circuit in the intake manifold tuning valve control circuit

  • Faulty engine control module (ECM)

Related Parts:

  • Intake Manifold Tuning Valve: Intake Manifold Tuning Valve regulates airflow in the engine at different RPM. This car's malfunctioning tuning valve may lead to engine stalling, lack of power and engine noises

Possible Solutions:

  • Test and replace the faulty intake manifold tuning valve, if necessary

  • Check for any open or short circuits in the intake manifold tuning valve control circuit and repair as needed

  • Test and replace the engine control module (ECM) if it is determined to be faulty

  • Ensure proper electrical connections in the intake manifold tuning valve control circuit

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