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The intake manifold runner control valve adjusts the length of the intake runners to optimize airflow for different engine speeds, improving power at high RPM and torque at low RPM. Signs of failure include: a check engine light with a runner control code, a flat spot in the power curve, rough idle, or rattling from inside the intake manifold. Replace a faulty runner control valve to restore the full range of engine performance.
Standard Motor Products manufactures comprehensive ignition and engine management components. Known for wide coverage and reliable performance, Standard delivers dependable sensors, coils, and related parts.
