P0151 Code – O2 Sensor Circuit Low Voltage
The P0151 OBD2 code indicates that the oxygen sensor (O2 sensor) on Bank 2 Sensor 1 is sending a low voltage signal to the Engine Control Unit (ECU). This is…
P0150 Code – O2 Sensor Circuit Malfunction
The P0150 OBD2 code indicates a malfunction in the oxygen sensor circuit for Bank 2 Sensor 1. This sensor is the upstream O2 sensor, located before the catalytic converter on…
P0146 Code – O2 Sensor Circuit No Activity Detected
The P0146 OBD2 code indicates that the oxygen sensor (O2 sensor) on Bank 1 Sensor 3 is showing no activity. This sensor is located downstream of the catalytic converter and…
P0145 Code – O2 Sensor Circuit Slow Response
The P0145 OBD2 code indicates that the oxygen sensor (O2 sensor) on Bank 1 Sensor 3 is responding too slowly to changes in exhaust gas composition. This sensor is located…
P0144 Code – O2 Sensor Circuit High Voltage
The P0144 OBD2 code indicates that the oxygen sensor (O2 sensor) on Bank 1 Sensor 3 is sending a high voltage signal to the Engine Control Unit (ECU). This sensor…
P0143 Code – O2 Sensor Circuit Low Voltage
The P0143 OBD2 code indicates that the oxygen sensor (O2 sensor) on Bank 1 Sensor 3 is reporting a low voltage signal to the Engine Control Unit (ECU). This sensor…
P0142 Code – O2 Sensor Circuit Malfunction
The P0142 OBD2 code indicates a malfunction in the oxygen sensor circuit for Bank 1 Sensor 3. This sensor is typically located further downstream in the exhaust system, after the…
P0141 Code – O2 Sensor Heater Circuit Malfunction
The P0141 OBD2 code indicates a malfunction in the heater circuit of the oxygen sensor (O2 sensor) located on Bank 1 Sensor 2. This is the downstream oxygen sensor, positioned…
P0140 Code – O2 Sensor Circuit No Activity Detected
The P0140 code indicates that the oxygen sensor (O2 sensor) located on Bank 1 Sensor 2 is showing no activity. This sensor is positioned after the catalytic converter (downstream sensor)…
P0124 Code – Throttle Position Sensor Circuit Intermittent
The P0124 code indicates that the Engine Control Unit (ECU) has detected an intermittent or unstable signal from the Throttle Position Sensor (TPS) circuit. Unlike P0122 (low input) or P0123…
