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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 205 (Engine Controls - Theory & Operation - Gasoline) >> Computerized Engine Controls >> Input Devices >> Throttle Actuator Control System

Throttle Actuator Control System

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The Throttle Actuator Control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the accelerator pedal position sensing, throttle positioning to meet driver and engine demands, throttle position sensing, internal diagnostics, cruise control functions and manage TAC electrical power consumption.

The TAC system components include the Accelerator Pedal Position (APP) sensors, throttle body assembly, throttle actuator control module and the PCM.