Fits 4Runner, Celica, Corolla, Cressida, MR2, Supra, TruckThrottle Position Sensor - Repair or ReplaceYour Engine?s Throttle position sensor tells the Engine Computer in your Toyota how far the gas Pedal is being depressed. If it has failed, you may notice symptoms such as no acceleRation or poor acceleRation in addition to a check Engine light. MR2. Celica. Corolla. Cresida. Standard. To 05/1985. Pick-up, 4-runner.