I've currently got my Altezza and it has a stiff accelerator pedal. Now it only appears to be stiff when the engine is on, not when it's off. I presume it's something to do with the TRC? If i turn the TRC off, it doesn't make a difference. It doesn't make it slightly stiffer, but quite stiff. So it's getting quite difficult to get to the biting point on the clutch and sometimes slip the clutch.