Many things can cause misfiring, including a malfunctioning fuel pump. So don’t ignore a fuel pump replacement! 4. Ignore the issue, and eventually, your car simply won’t start. Start-up may take a few seconds longer than usual, or you’ll need a few attempts to get the engine cranked. If the fuel pump can no longer supply the required fuel to the engine, your car will experience starting difficulties. In any of these cases, you may need a new fuel tank pump. A less noticeable fuel pump issue can be a decrease in gas mileage. Also, if the fuel delivery issue is erratic, you might experience surging or sputtering. There could be a loss of power if your car’s fuel pump can’t provide the engine with sufficient fuel. Note : Any of these sound issues may trigger the check engine light on the dashboard.

In general, any weird sound from your car is never good, so always pay attention. Backfires and sputtering engines can also suggest a broken fuel pump. Whining from the fuel tank can indicate a dying pump. Here are some bad fuel pump indicators demanding a fuel pump replacement: 1.

2000 ford expedition fuel pump location