Replacing the fuel filter in a 2002 Hyundai Accent is a simple car repair project, even for an inexperienced home mechanic. Just find the old fuel filter, remove it, and install the new one. The only tool you might need is a flat-blade screwdriver, and maybe a can of PB Blaster or WD-40.
Why would you want to replace your fuel filter? To keep your fuel clean, generally. In my case, the car had lost acceleration going uphill, and that usually means that there's a fuel delivery problem, or a clogged catalytic converter. I suspected that I had a clogged cat (and it turned out I was right), but the fuel filter is easy and inexpensive to replace, so I started there. It had also been almost 100,000 miles since I'd last replaced the filter, so a new fuel filter couldn't hurt.
But first, a warning: apparently, the fuel in a 2002 Hyundai Accent may be under pressure, so before you start, remove the gas cap. And as with any do-it-yourself car repair, be careful through the entire process. You will probably spill some gasoline, and it's incredibly flammable.
First, find the old fuel filter. That's easy, because I'll tell you where it is: under the back seat. Here's my back seat, with the new fuel filter (a Duralast FF84DL) on it:
Find the latches that hold the seat cushion in place, and release them. They're under the front edge of the seat.
Under the seat, you'll find the gas tank access panel.
The 2002 Hyundai Accent gas tank access panel is held in place with tacky weatherstrip adhesive, so you may need to pry it up with a flat-blade screwdriver. Be careful not to damage any of the wires on the wiring harness.
To the left, you'll see the old fuel filter. It's reasonably accessible, especially compared to cars that have a fuel filter mounted under the car on a frame rail. My filter is filthy on the outside. I guess I drive through a lot of dust.
Remove the ground lead from the old fuel filter. The ground tab was rusty, and the plug on the lead was dirty.
Remove the fuel filter and fuel line. There are two small plastic clips that secure the fuel filter and fuel lines. I'll let you figure out how to release the clips. It's pretty easy.
You'll probably spill some fuel. Be careful!
I decided to spray the ground plug with some PB Blaster, to clean the contact and ensure a good ground connection with the new fuel filter.
Install the new filter and connect the ground. Make sure the clips are tight. Start the car, run the engine for a while, and check for leaks.
Reinstall the fuel tank access panel and the rear seat, and that's it. You've just replaced the fuel filter in a 2002 Hyundai accent.
You can get a new fuel filter at any auto parts store. I prefer AutoZone, so I used a Duralast FF884DL.