P0661

2017-10-10

Description:

  • “The fault code P0661 indicates that there is an issue with the circuit that controls the intake manifold tuning valve for bank 1. This may cause the engine to run poorly or not start at all.”

Possible Symptoms:

  • Illuminated check engine light

  • Reduced engine power or acceleration

  • Rough idle or stalling

  • Engine may not start or may run poorly

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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