P0153 Subaru
HO2S21 Circuit Slow Response
Subaru
P0151 Subaru
HO2S21 Circuit Low Voltage
P0152 Subaru
HO2S21 Circuit High Voltage
P0140 Subaru
HO2S12 No Activity Detected
P0141 Subaru
O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
P0138 Subaru
HO2S12 Circuit High Voltage
P0139 Subaru
HO2S12 Circuit Slow Response
P0137 Subaru
O2 Sensor Circuit Low Voltage
P0134 Subaru
HO2S11 No Activity Detected
P0136 Subaru
O2 Sensor Circuit Malfunction Bank 1 Sensor 2