Car Computers and Sensors
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What is a throttle position sensor?

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Wiki User
2014-09-22 00:00:18

A throttle position sensor is a pretty important part of the

car. It is needed for the car to function well and works by sensing

what your throttle is doing.

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Wiki User
2014-06-09 00:00:18

A throttle position sensor is also known for short as TPS. It is

used to keep track of where the throttle is in an internal

combustion engine. It can be found on the butterfly spindle.

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Wiki User
2008-01-10 04:39:01

Throttle Position Sensor (TPS) is basically a rheostat. Here is

how Merriam Webster defines it: ; Main Entry: : rheo·stat ;

Pronunciation: : \ˈrē-ə-ˌstat\ ; Function: : noun ; Date: :

1843 : a resistor for regulating a current by means of

variable resistances

Basically, the TPS offers variable resistance depending on the

winding or unwinding of its actuator. When you goose the throttle,

or take your foot off the gas, the TPS tells your vehicle's

computer where the throttle is. Look under your hood at your fuel

rail or throttle body. on one side you will see the terminus of the

throttle cable and the cam around which the cable is wound.

Directly on the opposite side of the throttle body from here, you

will see the TPS.

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