Tested and adjusted the throttle position sensor to ensure it's still in range and in working order. Stock Evo 8 TPS output voltage range at rest with throttle closed should be around 0.535 - 0.735.
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Also cycling the throttle open/close to watch for even increase/decrease values helps me validate that the sensor is in working order...max voltage should be close to 5.000 volts.
![](https://i.ytimg.com/vi/iFuPZ5xi2kA/maxresdefault.jpg)