July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

MAF Sensor And TPS

MAF should increase when depressing the accelerator pedal and should decrease at the moment "THRTL POS SEN" is closed (accelerator pedal is released).

TPS should increase while depressing the accelerator pedal and should decrease while releasing it.

Fig 1: MAF Sensor & TPS Wave Form

Courtesy of HYUNDAI MOTOR CO.