How Long Does a Fuel Filter (Auxiliary) Last? | YourMechanic Advice

How Long Does a Fuel Filter (Auxiliary) Last?

The fuel tank of your vehicle is where all of the gas that you put in your filler neck goes. Over the years, this tank will start to pick up a lot of dirt and other trash. It is the job of the fuel filter to remove this trash before it has a chance to circulate through the entire fuel system. Having fuel that is filled with trash circulating through the fuel system can lead to a variety of different issues such as having clogged fuel injectors. This type of filter is used each time you run your vehicle.

The fuel filter of a car of is designed to last about 10,000 miles before it needs to be changed. The filament that is inside of the fuel filter will usually become clogged with the trash and will be unable to offer the proper level of filtering. The last thing that you want to do is leave this filter in your fuel system due to the damage that it can cause. Failing to change the filter when it is time can lead to the injectors becoming clogged or damaged.

The fuel filter that resides in your gas tank is not easy to get to. Removing the fuel tank is very complex and is a job that is best left to a professional. Trying to handle this type of repair work alone can lead to a number of different problems like damage to the gas tank. Noticing the signs that a fuel filter is in need of replacement and seeking the proper repairs is the only way to keep your car running smoothly.

Here are some of the signs that fuel filter replacement is needed:

  • The engine is running rougher than normal
  • The car is very hard to get start
  • The Check Engine Light is on
  • The car cuts off after a short while

Replacing your damaged fuel filter will help to restore the functionality that a vehicle has lost. Be sure to take into consideration the quality of the replacement filter that is installed due to the importance that it plays.


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15 years of experience
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14 years of experience
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