Fuel Filter: Description and Operation

Fuel Filter:

The fuel filter, located in the left rear of the engine compartment, is a high pressure sealed canister type fuel filter. The filter removes even very small (microscopic) particles from the fuel.

Because of the high pressures and large volume flow in the fuel system, if these tiny particles are allowed through the lines, they can erode away the sealing surfaces of fuel injectors and pressure regulators, causing injector leaks and fuel pressure loss. Larger particles can plug up the tiny orifices in injectors, restricting fuel, or collect between the sealing surfaces of injectors, preventing them from shutting off fuel completely.