P0663

2017-10-10

Description:

  • The fault code P0663 indicates a problem with the circuit that controls the Intake Manifold Tuning Valve for Bank 2. The Intake Manifold Tuning Valve is responsible for diverting air flow to different parts of the engine, depending on the engine speed and load. A malfunctioning Intake Manifold Tuning Valve can cause issues with engine performance, fuel economy, and emissions.

Possible Symptoms:

  • Illuminated check engine light

  • Decreased fuel efficiency

  • Reduced engine power or acceleration

  • Rough or erratic engine idle

  • Failed emissions testing

Possible Causes:

  • Failed Intake Manifold Tuning Valve

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed 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:

  • Replace the Intake Manifold Tuning Valve

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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