If I tap the Throttle Position Sensor signal line to read it from A0 on the Arduino with a 5 feet 20ga wire, will the original voltage be compromised and if so, is there a way I can add a diode or something to my tap to solve this? TY!

Tapping a TPS sensor signal voltage - will it reduce the voltage to the ECU?

hammy September 6, 2025, 8:45pm 10

Yep, you can for example get throttle position via OBD2 port .

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