S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel (2001)
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 nut (1).
5. Remove the 1 FCS attachment bolt. (5)
6. Remove the FCS from the frame rail (3).
7. Disconnect the FCS inlet and cutlet pipes from the FCS. Refer to Quick Connect Fitting(s) Service (Plastic Collar) (6).
8. Disconnect the FCS electrical connector. (4).
9. Remove the FCS from the bracket.
INSTALLATION PROCEDURE