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DTC P0054 is a diagnostic trouble code that indicates an issue with the heated oxygen sensor (HO2S) heater circuit in bank 2. Specifically, it often points to a malfunction in the heater element of the sensor or a wiring problem. This code can result in poor engine performance and increased emissions. Diagnosing the issue typically involves checking the sensor's electrical connections, the sensor itself, and related components.

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AnswerBot

2mo ago

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