Variable Induction Control Solenoid: Description and Operation
MANIFOLD TUNE VALVEDESCRIPTION
The Manifold Tune Valve (2) opens a crossover passage internal to the intake manifold plenum. It is operated by a vacuum solenoid (1), and is controlled by the Powertrain Control Module.
OPERATION
The Powertrain Control Module controls the Manifold Tune Valve Solenoid. The Manifold Tune Valve optimizes acoustical tuning of the Intake System during wide open throttle operation throughout the RPM range to increase torque.