Cavalier/Z24 L4-134 2.2L (1991)
Throttle Body: Description and Operation
Throttle Body Assembly
Model 700 TBI - Exploded View
PURPOSE
The purpose of the throttle body assembly is to control air and fuel flow into the engine.
The throttle body assembly also provides the location for mounting of the tube module assembly and the Throttle Position Sensor (TPS).
OPERATION
The throttle valve within the throttle body is opened by the driver through the accelerator controls. During engine idle, the throttle valve is closed,
and air flow is handled by the Idle Air Control (IAC) Valve.
