P0455 Code – EVAP System Large Leak Detected
What Does P0455 Code Mean The P0455 diagnostic trouble code indicates that the vehicle’s EVAP (Evaporative Emission Control) system has detected a large leak. The EVAP system prevents fuel vapors…
P0442 Code – EVAP System Small Leak Detected
What Does P0442 Code Mean The P0442 diagnostic trouble code indicates that the vehicle’s EVAP (Evaporative Emission Control) system has detected a small leak. The EVAP system is designed to…
P0128 Code – Coolant Temperature Below Thermostat
What Does P0128 Code Mean The P0128 diagnostic trouble code indicates that the engine coolant temperature is lower than expected for normal engine operation. Modern vehicles monitor engine temperature using…
P0101 Code – MAF Sensor Range / Performance
What Does P0101 Code Mean The P0101 diagnostic trouble code indicates that the engine control unit (ECU) has detected an abnormal signal from the Mass Air Flow (MAF) sensor. The…
P0304 Code – Cylinder 4 Misfire Detected
What Does the P0304 Code Mean The P0304 code indicates that the engine control unit (ECU) has detected a misfire in cylinder 4. A misfire occurs when the air-fuel mixture…
P0302 Code – Cylinder 2 Misfire Detected
What Does the P0302 Code Mean The P0302 code indicates that the engine control unit (ECU) has detected a misfire in cylinder 2. A misfire occurs when the air-fuel mixture…
P0301 Code – Cylinder 1 Misfire Detected
What Does the P0301 Code Mean The P0301 code indicates that the engine control unit (ECU) has detected a misfire in cylinder 1. A misfire occurs when the air-fuel mixture…
P0174 Code – System Too Lean Bank 2
What Does the P0174 Code Mean The P0174 code indicates that the engine control unit (ECU) has detected a lean air-fuel mixture on bank 2 of the engine. A lean…
P0172 Code – Engine Running Too Rich
What Does the P0172 Code Mean The P0172 code indicates that the engine control unit (ECU) has detected a fuel mixture that is too rich. This means the engine is…
P2453 – DPF Sensor Range Problem!
The P2453 fault code indicates that the DPF differential pressure sensor is reporting values outside the expected performance range. Unlike P2452 (electrical circuit fault), P2453 means the sensor is working…
