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Home >> Pontiac >> 2008 >> Torrent Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 3.6L - DTC P2636) >> DTC P2176 >> Circuit/System Description

Circuit/System Description

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The engine control module (ECM) controls the throttle valve by applying a varying voltage to the throttle actuator control (TAC) motor. The ECM monitors the actual throttle valve position using throttle position (TP) sensor 1 and 2.