Crossfire V6-3.2L VIN L (2004)
Throttle Body: Description and Operation
The throttle body is located on the intake manifold. The throttle body meters air into the intake manifold. Fuel does not enter the intake manifold through
the throttle body. Fuel is sprayed into the manifold by the fuel injectors.
Filtered air from the air cleaner enters the intake manifold through the throttle body. A throttle valve (plate) is used to supply air for idle and driving
conditions.
The throttle position sensor is part the throttle body. The throttle position sensor signal is used by the PCM to determine throttle position. The PCM
controls the electronic throttle control to meter air into the engine. This regulates engine power. The vehicle is in sense a "Drive by Wire" system.
