Fuel Filters
On most modern fuel-injected vehicles, the fuel filter sits after the fuel pump. The pump pulls fuel from the tank and pushes it through the filter before it reaches the injectors. However, location varies by vehicle design, and older carbureted cars often placed the filter after the pump but before
Fuel Filters
The arrow on a fuel filter points in the direction fuel travels through it. Install the filter so the arrow points toward the engine and away from the fuel tank. Fuel flows from the tank, through the filter, and on to the engine. The arrow tells you which end is
Fuel Filters
A fuel filter's micron rating tells you the size of particles it stops. A 10 micron filter catches particles 10 micrometers and larger. A 30 micron filter only catches particles 30 micrometers and larger. The lower the number, the finer the filtration. But finer is not always better.
Fuel Filters