Knowing how much gas is in your car is important and can help you to avoid being broken down on the side of the road. The only way that you will be able to find out when your car is in need of gas is by having a properly working fuel meter assembly. This assembly is mounted behind your instrument cluster and gets readings from the fuel sending unit in regards to how much gas in the tank. Having a fuel meter assembly that is malfunctioning can lead to a variety of different issues. This assembly is used every time you crank your car, which is why it can become worn over time and malfunction.

For the most part, the fuel meter assembly is built to last for the life of the vehicle. This part is not usually checked as part of routine maintenance. Usually, the only time it gets attention is when it begins to malfunction. In some instances, the needle on the gauge will become stuck in the empty or full position due to issues with the meter assembly. Not knowing how much fuel is actually in your car can be problematic and can lead to a lot of uncertainty.

Due to the importance that the fuel system plays in the running of a vehicle, it is imperative that repairs are done to any components that are in this system in a timely manner. Just like any other fuel component on a car, when the fuel meter assembly goes bad it will have to be replaced in a hurry.

Here are some of the things that you may start to notice when it is time to have your fuel meter assembly replaced:

  • The fuel gauge on the instrument cluster will read full at all times
  • The fuel gauge will read empty all of the time even when tank is full
  • The gauge readings are inconsistent and erratic

When you being to notice these types of symptoms, you will need to act swiftly to get the fuel meter assembly replaced. Due to the high level of complexity that is involved in this type of repair, it is best to let a professional mechanic handle it for you.

This article originally appeared on YourMechanic.com as How Long Does a Fuel Meter Assembly Last? and was authored by Valerie Johnston.


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