P0094 Code – Fuel System Small Leak Detected
The P0094 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a small leak in the fuel system. This code is commonly associated with diesel engines using…
P0093 Code – Fuel System Large Leak Detected
The P0093 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a large leak in the fuel system. This code is most commonly associated with diesel engines,…
P0161 Code – O2 Sensor Heater Circuit Malfunction
The P0161 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 2.…
P0160 Code – O2 Sensor Circuit No Activity Detected
The P0160 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected no activity from the oxygen (O2) sensor located on Bank 2 Sensor 2. This sensor is…
P0159 Code – O2 Sensor Circuit Slow Response
The P0159 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a slow response from the oxygen (O2) sensor located on Bank 2 Sensor 2. This sensor…
P0158 Code – O2 Sensor Circuit High Voltage
The P0158 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a high voltage signal from the oxygen (O2) sensor located on Bank 2 Sensor 2. This…
P0157 Code – O2 Sensor Circuit Low Voltage
The P0157 diagnostic trouble code indicates that the Engine Control Unit (ECU) has detected a low voltage signal from the oxygen (O2) sensor located on Bank 2 Sensor 2. This…
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…
