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Chevrolet Cavalier Fuel Pumps

The fuel pump is an integral part of the Chevrolet Cavalier. Without it, the gas can't get from the tank to the engine. In other words, without a fuel pump, your car just won't work.

What types of fuel pumps are there?

A fuel pump sends gas from the car's tank to the engine through a long pipe. There are three types of pumps, which are described here:

  • Mechanical: This type of pump is usually found inside the Chevrolet gas tank. A mechanical pump relies on the engine for power.
  • Electrical: This type is commonly mounted to the outside of the gas tank. Electric fuel pumps rely on the car's battery for power.
  • Variations: Some cars use a tandem of pumps to send fuel from the tank to the engine.

In all of these scenarios, the pump system serves the same purpose of feeding gas to the carburetor. Once in the carburetor, the gas is mixed with air to power the engine.

How should you maintain a fuel pump in a vehicle?

In a Chevrolet Cavalier, the fuel pump will last from 100,000 miles to over 200,000 miles. This range is directly affected by the maintenance of the car. Here are a few things you can do to maintain your fuel pump replacement:

  • Use quality gasoline: This is important to prevent debris and water from entering the tank. Both of these can add extra stress to the fuel system. You don't necessarily have to buy premium gas, unless that is what your Cavalier requires. Make sure to use a clean and well-maintained gas station.
  • Change the fuel filter often: Keeping the filter clean helps the fuel pump operate at its maximum potential and reduces stress placed on it from dirt and debris.
  • Don't run out of gas: A low or empty tank creates an overheated atmosphere, which will put stress on your car's pump.
When should you replace a fuel pump?

Ideally, you should replace this part every 100,000 to 200,000 miles. However, if you are noticing these signs in your model Chevrolet, you may need to replace it sooner than that:

  • Low gas mileage: If your car is getting noticeably lower gas mileage, it's time to replace this part.
  • Check engine light: if you notice that the check engine light is on and you’ve ruled out other causes, you should consider replacing your fuel pump.
  • Poor performance: Loss of power and sputtering are good indicators of a faulty fuel pump.