Fuel Heater: Description
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
| 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 fuel heater is used to prevent diesel fuel from waxing and plugging the fuel filter during cold weather operation. The fuel heater is located in the fuel filter/water separator assembly head, next to the fuel temperature sensor. See Fig 1.