I don't think my FJ takes any more pedal than other similar vehicles.

One possibility if you "just" purchased it and the previous driver was very cautious, the computer may need to adjust for your/her driving style.
My mother had a Celica GT-S and is a very careful driver. My sister wasn't interested in it as she felt it was a "dog".
After I had it and spent a week? putting my foot into it, the computer switched from economy to performance and became a lot more fun to drive.

Another possibility could be the tires depend on how large 'larger' is. But it could also be something else more basic like plugs depending on miles and services done.

 

Or do you mean that the pedal takes more pressure to press? There is no mechanical linkage from pedal to throttle body. It is electrical. Something binding at the floor board?

Reading your post again, I'll go with option 1 above.

 

You can do some regular maintenance stuff (easily done stuff) that can improve things a little....

Clean/replace the following:
MAF sensor
throttle body
new air filter if needed
plugs
injector cleaning (I had a shop do this)

At the end of the day.... the FJ is a truck, not a car. It's a body on frame vehicle similar to a real truck. It won't be as sporty as a car.
That being said my FJ (in my opinion) is pretty peppy for what it is.

 

Adding a Pedal Commander or ShiftPower allows for adjusting the pedal response ... search other posts on this forum ...

 

I was thinking the same, however, the person may have another issue outside of the crappy electronic pedal

 

Is the floor mat properly secured? If it is not, it can bunch up...

 

I don't think the spring force on the accelerator pedal is excessive on the FJ. If you are referring to having to press the pedal further than some other cars, this is a nice feature of the FJ. Toyota gave it a very progressive pedal so that small throttle openings can be controlled more easily for smooth control at very low speeds. When you are in 1st gear, low range, and trying to be smooth, the slow pedal taper is appreciated.

Some vehicles give you most of the throttle in the first quarter inch to try to make the vehicle seem powerful. With the FJ, you have to actually put your foot down a good ways to get most of the power. Does the FJ accelerate OK when you press the pedal all the way?