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  • Tps

    This is actually just a potentiometer (variable resistor, sometimes called a rheostat), by turning the throttle body plate it rotates a shaft in the sensor causing different voltages to output. There are 3 wires: ground, +5V, and the sensor output. The different resistances caused by the rotating shaft vary the voltage output o­n the sensor output wire, the ECM then measures this voltage to determine how far the throttle is open. The sensor is located o­n the throttle body opposite the throttle lever.

    0% throttle is usually about .5V and 100% throttle is around 4.5V
    Ben
    60DegreeV6.com
    WOT-Tech.com

  • #2
    tps

    what exactly happens when you are adjusting the tps? How do you know when it is adjusted?

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    • #3
      You don't adjust it to make it do anything "Better". You are only setting the initial voltage for 0% throttle. If you move it around for whatever reason, you should reset the computer so that it will reset itself for 0% throttle vs voltage.
      Ben
      60DegreeV6.com
      WOT-Tech.com

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      • #4
        Tidbit - When vehicle is running on default map, say EGR/O2 not working, this map may cause a hesitation point(s) in acceleration or at some steady speed traveled.

        Hence, one should not replace the TPS when a fault code is present...unless one travels down the road of hard knocks.

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