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Left Foot Gas Pedal. The (LFA) was designed for the driver that has lost control of only his right foot, with an (LFA) accelerator installed to the left of the brake pedal the problem of applying the gas is no longer a problem.
Best Answer: It's the ECU. The gas pedal in your car is connected to the throttle valve -- this is the valve that regulates how much air enters the engine. So the gas pedal is really the air pedal. When you step on the gas pedal, the throttle valve opens up more, letting in more air.