Fuel filters eliminate dirt and debris from fuel, allowing the lawn mower engine to perform efficiently. … However, most filters contain an arrow that points in the direction of the fuel flow. For proper installation, this arrow should point towards the carburetor.
Are fuel filters directional?
Here’s a quote directly from Briggs & Stratton: “Installation of an inline fuel filter is based on an arrow, which should point towards the carburetor. If no arrow is present, the direction really does not matter.
Is it possible to put a fuel filter on backwards?
A fuel filter put in backwards may restrict or stop the flow of fuel to the engine. If, after changing a fuel filter, the engine suddenly displays a loss of performance, the filter should be inspected for proper installation.
Can a blocked fuel filter cause misfire?
A clogged fuel filter causes low fuel pressure that results in a lean fuel condition and engine misfire. This can result in poor fuel mileage, rough idling and possibly cause the check engine light to come on. Once that light is on, it’s time for a trip to the repair shop.
Can a fuel filter restrict fuel flow?
Fuel filters are primarily designed to keep particles out of the fuel, but they also affect flow. If a fuel filter becomes clogged, it can restrict fuel to the engine when it needs it the most.
What does the arrow mean on a fuel filter?
The arrow is indicative of direction of fuel flow, so the arrow should be pointing to the front, as fuel flows from tank to engine.