Water-In-Fuel (WIF) Sensor
| 1 - FUEL FILTER ASSEMBLY | 6 - FUEL FILTER |
| 2 - PRIMER BUTTON | 7 - FUEL TEMPERATURE SENSOR |
| 3 - FUEL SUPPLY TO HIGH PRESSURE PUMP | 8 - FUEL SUPPLY FROM TANK |
| 4 - FUEL HEATER | 9 - AIR BLEED SCREW |
| 5 - WIF SENSOR |
The WIF sensor is located in the bottom of the fuel filter/water separator. The sensor also has a drain channel and a protrusion for adapting a hose during draining. See Fig 1.