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O2 Sensor Circuit No Activity Detected Sensor 1 Bank 1
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O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
O2 Sensor Circuit High Voltage Bank 1 Sensor 1
O2 Sensor Circuit Slow Response Bank 1 Sensor 1
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1
HO2S22 Heater Control Circuit Low/High/Heater Resistance
Mass or Volume Air Flow Circuit Range/Performance Problem
HO2S22 Heater Control Circuit High
HO2S21 Heater Control Circuit Low/High/Heater Resistance
HO2S22 Heater Resistance Out Of Limits