* Low fuel: The most common and obvious reason.
* Fuel pump failure: The pump isn't supplying fuel to the engine.
* Blocked fuel filter: A clogged filter restricts fuel flow.
* Fuel line problem: A leak or blockage in the fuel lines.
* Fuel injector malfunction: The injectors aren't spraying fuel properly.
* Electrical issue: A problem with the fuel pump's electrical circuit.
* Immobilizer system: In some cars, a fault with the anti-theft system can prevent fuel delivery.
If this light illuminates, you should immediately pull over safely and contact roadside assistance or a mechanic. Continuing to drive could cause serious damage to your engine.