[Application]Throttle position sensor Part Number: 5S5337, 229362, 8945220050, 8945228030, TPS436, TH0230 [Applicable models]: 4Runner,,Celica,Land Cruiser,MR2,Pickup, -1990 (Please see the detailed instructions below) [Detection You Engine Condition]Its main function is to detect whether the engine is in idle condition or load condition, whether it is an acceleration condition or a deceleration condition. It is essentially a variable resistor and several switches that are mounted on the throttle body. [Corrects The Fuel ]According to the increase or decrease rate of the signal voltage within a certain period of time, whether the acceleration condition or the deceleration condition is recognized. The computer corrects the fuel amount based on these operating conditions information, or performs oil cut control. [Helps You Control Engine Throttle]The automobile engine throttle is operated by the driver through the accelerator pedal to change the intake air amount of the engine, thereby controlling the operation of the engine. Different throttle opening marks different operating conditions of the engine. Feature: This is New & High-Quality Aftermarket Product. Meet the professional specification as parts, for stable performance & service. Name: Throttle Position Sensor () Condition: New Suitable For: for 4Runner -1990 for 1987-1991 for Celica 1986-1989 for Land Cruiser 1988-1990 for MR2 1987-1989 for Pickup -1990 for 1986-1990 colour:black Material:ABS Package Contents: 1 * Throttle Position Sensor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.