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P0123Powertrain (P)generic

Throttle Position Sensor/Switch A Circuit High Input

The throttle pedal sensor is stuck sending an abnormally high voltage signal to the engine computer. This makes the engine think you're pressing the gas pedal harder than you actually are. Your vehicle may idle rough, surge unexpectedly, or have difficulty controlling engine speed.

No detailed repair guide linked yet. Check back soon or search for related issues.