* Blown fuse: Check your vehicle's fuse box for a blown fuse related to the fuel pump.
* Relay failure: The fuel pump relay might have failed. Replacing this is often cheaper than replacing the pump.
* Fuel pump itself: The pump may have failed due to age, wear, or debris.
* Wiring issues: A problem with the wiring leading to the pump could be the culprit.
* Low fuel pressure: Problems with other components in the fuel system may also cause the pump to not operate correctly.
* Inertia switch: Some vehicles have an inertia switch that shuts off the fuel pump in a collision to prevent fire. Locate this (often under the dash or in the engine bay) and check if it's tripped.
To diagnose the problem, you'll need to test the fuse, relay, and potentially the wiring and fuel pressure. A mechanic with experience in automotive electrical systems would be best to accurately determine the cause of the fuel pump's malfunction.
