* Bad fuel pump: This is the most common culprit. The pump itself wears out over time.
* Fuel pump relay: A faulty relay can prevent the pump from receiving power.
* Clogged fuel filter: Restricted fuel flow can starve the engine.
* Low fuel pressure: Various issues in the fuel delivery system can cause this.
* Problems with the fuel pump control module (PCM/ECM): The car's computer may be malfunctioning.
* Wiring issues: Damaged or corroded wiring can interrupt the circuit to the fuel pump.
You'll need to have a qualified mechanic diagnose the problem. They'll likely need to check fuel pressure, inspect the wiring, and potentially test the fuel pump and relay. Attempting to diagnose or repair fuel system issues yourself can be dangerous due to the presence of flammable fuel.