Rhodes2345 answered 8 years ago
tennisshoe is right it is a sensor to tells the computer where the throttle is at so it can add more or less fuel. Rowefast i think you are talking about a IAC idle air control or idle control motor. it cusses a vacuum leak to step up the rpm so is not to kill the motor when your ac is on or you drop the throttle fast
1992 LEXUS LS 400 THROTTLE POSITION SENSOR'S FUNCTION, PLEASE
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