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DTC codes / P22xx · Fuel and air metering (injector circuits) / P2241
P2241 means the engine computer has detected that the positive current control circuit for the upstream oxygen sensor on bank 2 is lower than expected, which usually indicates a short to ground or an open circuit in that control wire. The computer monitors the current it commands through the sensor's pump cell and sets this code when the feedback signal stays below the calibrated threshold for a set time.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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