P0156 Code – O2 Sensor Circuit Malfunction
The P0156 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a malfunction in the oxygen (O2) sensor circuit on Bank 2 Sensor 2. This sensor is…
P0155 Code – O2 Sensor Heater Circuit Malfunction
The P0155 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a malfunction in the heater circuit of the oxygen (O2) sensor on Bank 2 Sensor 1.…
P0139 Code – O2 Sensor Circuit Slow Response
The P0139 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a slow response from the oxygen (O2) sensor located on Bank 1 Sensor 2. This sensor…
P0133 Code – O2 Sensor Circuit Slow Response
The P0133 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a slow response from the oxygen (O2) sensor located on Bank 1 Sensor 1. This sensor…
P0131 Code – O2 Sensor Circuit Low Voltage
The P0131 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a low voltage signal from the oxygen (O2) sensor located on Bank 1, Sensor 1.…