Water-In-Fuel Sensor: Removal
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Drain the fuel from the fuel filter. See WATER-IN-FUEL DRAINING PROCEDURE . Disconnect the water-in-fuel sensor electrical connector. Remove the water-in-fuel sensor from the fuel filter. See Figure.