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P2125

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P2125 OBD-II Trouble Code: Throttle/Pedal Position Sensor/Switch "E" Circuit
P2125 code definition P2125 is a general OBD-II trouble code indicating a fault with the throttle/pedal position sensor/switch “E” circuit. This code is similar to many other throttle body and pedal...

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Question
2009 Buick Lacrosse is setting DTC codes P2125 and P2138.
Hi there. Try performing a snap throttle and see if the wave form changes on the Oscilloscope. If the waves do not change when performing a snap throttle, then the throttle position sensor on the pedal needs replaced. If the...

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