C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Throttle Position Sensor: Service and Repair
REMOVAL PROCEDURE
1. Remove the throttle body assembly from the upper intake manifold.
2. Remove the mounting bolts from the TP sensor.
NOTE: The TP sensor is an electrical component. Do not soak the TP sensor in any liquid cleaner or solvent as damage may result.
3. Remove the TP sensor and gasket from the throttle body assembly.
INSTALLATION PROCEDURE
IMPORTANT: Ensure the TP sensor throttle valve is closed.