Question about 2007 Subaru Impreza WRX STI Limited Sedan

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Changing air filter and fuel filter

Just brought 1999 Wrx STI.

The air filter and fuel filter need changing. Can this be done by myself? The air filter seems straight forward but the fuel filter???

Also (living in NZ) what brand air filter and fuel filter is the best to use


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Both are under the hood and easy to get to. As for the Air Filter nobody beats K&N they are simply the best. Any fuel filter thats the right one will do.

Posted on Jan 28, 2009


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The system is pressurised! Be careful!

Remove your fuse for the fuel pump.

Start the engine and idle until the engine stops.

Try starting it again to make sure there is no more fuel in the system.

This will depressurise your system. Undo your fuel filler cap just to make certain!

When this is done, push the clips down the pipe away from the filter, or remove the clips.

Pull off the pipes and replace the filter.

Reattach the clips in the same place.

Screw in the fuel filler cap.

Replace the fuse and crank the engine until it fires.

Regards, Andy

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