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Code 24 throttle position sensor voltage low or throttle position sensor voltage high.
According to my factory service manual the voltage at the throttle position sensor should vary from about 0.5 volts in the idle position to 5.0 volts in the wide open throttle position.
Troubleshoot the voltage regulator
Output voltage will be .5v to 4.5v
A Throttle Position Sensor (TPS) reports to the ECM how open the throttle is. The signal is sent as voltage to the ECM, and the amount of voltage reports how open the throttle is. The throttle is what allows gasoline to get to the engine, and in a car that is the gas pedal. We would think fo the value as 0% to 100% and any range between.
The Throttle Sensor responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the Throttle Valve position into output voltage, and emits the voltage signal to the ECU. In addition, the sensor detects the opening and closing speed of the Throttle Valve and feeds the voltage signal to the ECU.
Intake Throttle Position Sensor High Voltage
Throttle Position Sensor(TPS)/Accelerator Pedal Position Sensor(APPS) signal voltage high.
Volt meter should be in a 5 volt scale.
Throttle position (TP) sensor circuit, very low signal voltage.
According to my factory service manual the throttle position sensor voltage on a Chevrolet Celebrity should be between 0.5 V and 5.0 volts as it moves through its range of motion.
122 Throttle position sensor voltage low you need to clean the body throttle only. just applay carbritor cleaner to it and you go