Electronic pumps are typically linked to electronic control systems and contain multiple moving parts; because of this increased complexity, these types of pumps are more prone to failure. Any one of several different parts can malfunction and lead to fuel pump problems. Although mechanical and electronic pumps fail for different reasons, the symptoms of failure are similar for both types of pumps. This interruption in fuel flow causes your engine to skip several power strokes, forcing the engine to sputter and jerk.
In the early stages of failure, this sputtering may only last for a minute or so before the engine returns to normal operation. Some drivers may confuse this sign with the effects of dirty gas, but modern fuel standards make a failing fuel pump more likely.
If you notice that your car often loses power when you try to accelerate from a stop, your fuel pump may be in trouble. Accelerating requires more fuel, forcing your fuel pump to work harder. If your pump is failing, it may not be able to keep up with this increased demand, starving your engine of fuel as it tries to accelerate. Certain driving activities, such as climbing a hill or towing a load, place an extra strain on your engine and demand more fuel to deliver the same performance.
These demanding situations increase the strain on your pump, causing the weak elements to fail. A faulty fuel pump will cause major performance and drivability issues with your vehicle. Because of the important role they play, fuel pumps are meant to be tough and withstand almost the entire life of your car.
Fuel pumps have even been known to last more than , miles. Experts say that after , miles, your fuel pump is more likely to fail if you are replacing a nearby part that plays a major role in the engine. There are a few maintenance tips that you can follow to increase the longevity of your fuel pump:.
The warning signs of a faulty fuel pump are pretty blunt compared to some other parts of the car that can leave you guessing. If your car is experiencing these symptoms, it may be due to a fuel pump issue:. But to get a little more specific, your fuel pump serves as the heart, pumping fuel away and into the parts of the car that need it to do their job. We know about the importance of regular maintenance and specialize in fuel system cleaning and repair. The three most common causes of fuel pump failure include: Fuel contamination: Fuel is jeopardized from corrosion, debris and moisture, which can all bring visible contaminants into the tank.
This blockage ultimately impairs the flow of fuel, which may affect the vehicle during acceleration, among other long-term impairments. Electrical issues: Electrical faults are also significant contributors to fuel pump failures. The most common electrical issues are rusted connectors, loose connectors, or melted wiring and connectors. Share This:.
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