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P2139Powertrain (P)generic

Throttle/Pedal Pos Sensor/Switch D / F Voltage Correlation

The engine computer detects conflicting signals from dual throttle position sensors that should match each other. This safety disagreement can cause erratic throttle response or engine shutdown to prevent damage. The vehicle may need to be serviced before driving normally again.

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