O2 Sensor Troubleshooting




This video is showing how to diagnose a faulty Oxygen Sensor and related fault codes scanned by OBD2 diagnostic scan tools. Hope this video may help you when you do troubleshooting.
You may get these following OBD2 P codes while using scan tool to read DTCs:
P0130 O2 Sensor Circuit Malfunction Bank 1 sensor 1
P0131 O2 Sensor Circuit Low Voltage Bank 1 sensor 1
P0132 O2 Sensor Circuit High Voltage Bank 1 sensor 1
P0133 O2 Sensor Circuit Slow Response Bank 1 sensor 1
P0134 O2 Sensor Circuit No Activity Detected Bank 1 sensor 1
P0135 O2 Sensor Heater Circuit Malfunction Bank 1 sensor 1
P0136 O2 Sensor Circuit Sensor Malfunction Bank 1 sensor 2
P0137 O2 Sensor Circuit Low Voltage Bank 1 sensor 2
P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2
P0139 O2 Sensor Circuit Slow Response Bank 1 sensor 2
P0140 O2 Sensor Circuit No Activity Detected Bank 1 sensor 2
P0141 O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
P0150 O2 Sensor Circuit Malfunction Bank 2 Sensor 1
P0151 O2 Sensor Circuit Low Voltage Bank 2 Sensor 1
P0152 O2 Sensor Circuit High Voltage Bank 2 Sensor 1
P0153 O2 Sensor Circuit Slow Response Bank 2 Sensor 1
P0154 O2 Sensor Circuit No Activity Detected Bank 2 Sensor 1
P0155 O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 1
P0156 O2 Sensor Circuit Sensor Malfunction Bank 2 Sensor 2
P0157 O2 Sensor Circuit Low Voltage Bank 2 Sensor 2
P0158 O2 Sensor Circuit High Voltage Bank 2 Sensor 2
P0159 O2 Sensor Circuit Slow Response Bank 2 Sensor 2
P0160 O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
P0161 O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 2
P0162 O2 Sensor Circuit Malfunction Bank 2 Sensor 3
P0163 O2 Sensor Circuit Low Voltage Bank 2 Sensor 3
P0164 O2 Sensor Circuit High Voltage Bank 2 Sensor 3
P0165 O2 Sensor Circuit Slow Response Bank 2 Sensor 3
P0166 O2 Sensor Circuit No Activity Detected Bank 2 Sensor 3
P0167 O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 3
P0170 Fuel Trim Malfunction Bank 1
P0171 System Too Lean Bank 1
P0172 System Too Rich Bank 1
P0173 Fuel Trim Malfunction Bank 2
P0174 System Too Lean Bank 2
P0175 System Too Rich Bank 2

Part 1



Part 2