Is the Fuel Pump Malfunctioning in Your Car

Category: Others/ Misc

Presentation Description

The fuel system of your car is an important system which consists of various components and is responsible for providing the fuel to the car's engine. One of the vital components in the fuel system is the fuel pump which is responsible for supplying the fuel at a constant pressure to ensure that your engine runs smoothly. However, at some point in time, the fuel pump may malfunction which will affect the way your car runs. Go through the slide to know about the malfunctioning of the fuel pump in your car.


Presentation Transcript


Is the Fuel Pump Malfunctioning in Your Car?


The fuel pump is a device that moves fuel from your tank to the engine, supplying the fuel at a constant pressure to ensure that your engine runs smoothly.


Depending on the age of your vehicle, you may have either a mechanical or an electronic fuel pump.


Since mechanical pumps are driven directly by the motion of the engine and contain few moving parts, they tend to be reliable and relatively easy to diagnose and fix.


Most problems with mechanical pumps occur when the diaphragm is damaged in some way, throwing the pressure system off balance.


Electronic pumps are typically linked to electronic control systems and contain multiple moving parts and due to increased complexity, these are more prone to failure.


Here are some signs that your fuel pump is malfunctioning in your car.


Car sputters at high speeds


It is caused when the fuel pump can’t deliver a smooth flow of fuel to the engine and the engine receives only air when it was expecting to receive fuel.


This interruption in fuel flow causes your engine to skip several power strokes, forcing the engine to sputter and jerk.


Less power when accelerating


Accelerating requires more fuel, forcing your fuel pump to work harder and if your pump is failing, it may not be able to keep up with this increased demand.


If your car acts like it’s about to stall when you try to accelerate from a stop, you may need to have your pump inspected.


Losing power while driving uphill


Driving roads such as climbing a hill or towing a load, put an extra strain on your engine and demand more fuel to deliver the same performance.


When your fuel pump is malfunctioning, it isn’t able to maintain a steady flow of fuel to the engine, resulting in a loss of power.


Engine starts to surge


When your fuel pump begins to wear out, its components often wear down at different rates and this makes the pressure in your fuel lines can become inconsistent.


As a result, drivers may find their cars suddenly accelerating for a few moments even when they haven’t pressed the gas pedal, a condition known as surging.


Engine won't start


After ignoring all of the other warning signs of a failing fuel pump, it will eventually fail completely.


In order to confirm that your pump has failed, check the pressure in your fuel lines with a fuel pressure gauge and if it reads zero, then your pump is dead.

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