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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Fuel System) >> Fuel Delivery - Diesel >> Sensor-Water In Fuel >> Description >> Water In Fuel Sensor

Water In Fuel Sensor

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Return Fuel Hose Bundle
GC0040520Courtesy of CHRYSLER LLC
1 - RIGHT FUEL RAIL
2 - TURBOCHARGER SERVO MOTOR
3 - WATER IN FUEL SENSOR
4 - FUEL FILTER
5 - RETURN FUEL HOSE BUNDLE
6 - CAMSHAFT POSITION SENSOR

The water in fuel sensor (WIF) is located in the fuel filter housing (4). The WIF sensor (3) detects the presence of water in the fuel. If water is present in the fuel, a signal is sent to the ECM and the ECM signals the instrument cluster, over the CAN bus, to illuminate the water in fuel warning.