Fuel Pump Repair

How does a fuel pump work?

A vehicle’s engine burns a blend of fuel and air to generate power. Fuel is pumped along a pipe from the storage tank and is mixed with air in the carburettor, where the engine sucks in the mixture. A fuel pump draws gasoline out of the tank through a pipe to the carburettor. The pump might be mechanically operated by the engine – or it may be electrical, in which case it is generally close to or inside the fuel tank.

A mechanical fuel pump is powered by the camshaft. As the shaft turns, a cam passes under a rotated lever and also forces it up at one end. The other end of the lever goes down and takes the diaphragm with it. When the lever goes down, it creates suction that draws the fuel through the fuel pipe and right into the pump. The diaphragm can move up only by getting rid of petroleum from the chamber. The petroleum can not return through the first one-way valve, so it goes out through another one leading to the carburettor. An electric fuel pump has the same diaphragm-lever layout, however instead of the camshaft, a solenoid (an electromagnetic switch) provides the pull on the diaphragm. The solenoid attracts an iron rod that pulls the diaphragm down, drawing petroleum right into the chamber.

How do I understand if my vehicle needs a fuel pump repair?

The following are some indications of a damaged fuel pump:

  • Whining noise from the fuel storage tank.

If you hear a screeching or whining sound originating from the fuel tank while the vehicle is running, there may not be enough fuel, a damaged pump, or a contaminant in the system.

  • Difficulty starting.

Fuel pumps can eventually break and wear down with time since they are regularly running whenever the ignition is activated. A busted fuel pump can cause the car to take much more cranks to start than normal, and also in more serious instances can even cause the car or truck to require a lot of turns of the key prior to starting. 

  • Engine sputtering.

If you are driving at a consistently high speed and your engine all of a sudden starts sputtering before returning to normal, this means that the fuel pump can not supply a constant stream of fuel to the engine at the ideal pressure.

  • Stalling at high temperatures.

Stalling combined with a high inner temperature level in your auto potentially suggests there is an issue with your fuel pump’s motor.

  • Loss of power under stress.

If you experience a loss of power when you are driving uphill, carrying a heavy load or even while accelerating, this shows the gas pump is weakening as an outcome of the fact that it can not keep up with the higher needs of your automobile.

If you are experiencing several of these signs and symptoms with your vehicle, you can bring your automobile to SJM AutoWerks in Lake in the Hills to get it fixed.

Your Trusted Shop for Fuel Pump Repair

We at SJM AutoWerks in Lake in the Hills are experts in all things auto repair. We’ve been fixing cars since 2016 and our team has decades of combined experience. Here some reasons you should choose SJM AutoWerks in Lake in the Hills:

  • We always offer fair prices.
  • We are a family-owned business and are bilingual in English and Spanish.
  • We will work with extended warranties.

To schedule an appointment with SJM AutoWerks in Lake in the Hills, give us a call at 815-477-9735 or schedule an appointment online.

For honest and efficient engine repairs in Lake in the Hills,, IL, turn to the capable team at SJM AutoWerks. “Life's too short to drive boring cars.”

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