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How to Replace a Fuel Filter in a Mazda6

by Contributor

The Mazada6 is a sporty car that rides like a sedan. Part of what separates the Mazada6 from other cars is its high performance. For the minimal cost of a fuel filter, the car can run at peak performance. The function of a fuel filter is to protect the delicate parts of the engine from dirt particles. It doesn't take much to clog a fuel injection system.

Step 1

Take the fuel pump fuse out of the fuse box-this prevents gas from spraying upon disconnection of the fuel lines.

Step 2

Select two open-end wrenches and remove the fuel filter fittings. You will need two wrenches because the fittings will be two different sizes.

Step 3

Plan to use a cleaning rag to throw over the fuel lines to protect you from the spray of gas. Release of the pressure can cause a large spray of gasoline that can burn your skin and eyes.

Step 4

Determine which wrench to turn counterclockwise and which will hold the filter in place. The banjo fitting is the special bolt you need to remove.

Step 5

Slide the fuel line from the bolt and then repeat the disconnection on the opposite side of the filter.

Step 6

Prepare the new filter for installation. Take it out of the box, make sure there are no cracks or dents and that the connection threads are smooth.

Undo the clamp that holds the fuel filter in place. Put the new filter in the old spot and tighten the clamp with a flat head screwdriver. Plug the fuel pump fuse back in and start the Mazada6.


  • Make sure you have purchased the correct fuel filter for the Mazada6-not every part on a car is universal.


  • Don't skip removing the fuel pump fuse-it can cause serious damage.

Items you will need

  • New fuel filter
  • Open-end wrench set
  • Screwdriver set
  • Cleaning rags

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