How often should a fuel pump be replaced?

Fuel pumps have been known to last for over 200,000 miles in some cases. After 100,000 miles, the failure of the pump is likely enough that if you are replacing a major part in the fuel system nearby, it may be advantageous to replace it at the same time.Click to see full answer. Consequently, what are the signs of a bad fuel pump? Usually, a bad or failing fuel pump will produce one or more of the following 8 symptoms that alert the driver of a potential issue. Whining Noise From the Fuel Tank. Difficulty Starting. Engine Sputtering. Stalling at High Temperatures. Loss of Power Under Stress. Car Surging. Low Gas Mileage. Car Will Not Start. Subsequently, question is, what would cause a new fuel pump to go bad? A leading cause of fuel pump failure is running the fuel tank low. Running such a vehicle out of fuel once can permanently damage the fuel pump. When the fuel level is low, the pump has to work much harder to produce the same pressure. This is because the reduced fuel weight no longer pushes fuel into the pump. Secondly, how do I know I need to replace my fuel pump? 5 Signs You Need to Replace Your Fuel Pump Engine Stuttering. One of the clearest indications that your vehicle’s fuel pump isn’t working as it should is an engine jolts and stutters while you drive at a steady speed. Engine Surges. Reduced Fuel Efficiency. High-Pitched Noises. Engine Won’t Start. How does a car act when the fuel pump is going out?You’ll notice a decrease in fuel efficiency, acceleration and power in your vehicle if your fuel pump is damaged. The low pressure caused by a faulty fuel pump means your engine isn’t getting the fuel and air mixture it needs to give your car that regular power. Whining in the backseat.