K 1500 Yukon Denali AWD V8-6.0L VIN U (2002)
Flexible Fuel Sensor: Service and Repair
FUEL COMPOSITION SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure.
3. Raise the vehicle.
4. Remove the fuel composition sensor fuel composition sensor (FCS) attachment nuts (1).
5. Disconnect the FCS inlet and outlet pipes from the FCS.
