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P2243

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P2243 OBD-II Trouble Code: O2 Sensor Reference Voltage Circuit Open Bank 1 Sensor 1
What What the P2243 code means? P2243 is an OBD-II generic code for the engine control module (ECM) detecting the O2 sensor for bank 1 sensor 1 having an open circuit for the reference voltage to the O2 sensor. What...

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