OBD-II Trouble Code Chart - RepairPal
Get definitions and auto repair information for thousands of OBD-II codes. Look up B, C, U and P codes to diagnose your car problem.
How to Access & Understand OBD-II Codes | RepairPal Guide
Jun 12, 2018 · Learn to access and understand your car's OBD-II codes for effective diagnostics. Discover how to use code readers, interpret DTCs, and find common issues
P0128 OBD-II Code: Diagnose Coolant Thermostat Issues
Understand the P0128 OBD-II code for coolant thermostat issues. Discover symptoms, common triggers, and diagnostic tips to keep your engine running smoothly.
P0172 OBD-II: System Too Rich - RepairPal
Learn about OBD-II codes P0172 and P0175, their causes, symptoms like check engine light and misfiring, and diagnostic tips for rich fuel mixtures at RepairPal.
P0456 OBD-II Code: Small Leak in Evaporative Emission System
Learn about P0456 OBD-II code indicating a small leak in the evaporative emission system. See symptoms, common causes, and effective diagnostics on RepairPal.
P0171 OBD-II: System Too Lean - RepairPal
Understand the P0171 OBD-II code: Fuel System Too Lean (Bank 1). Learn about symptoms, common causes like vacuum leaks, and troubleshooting steps at RepairPal.
P0455 - Evaporative Emission System Leak Detected (large leak)
What Does OBD-II Fault Code P0455 Mean? OBD-II Code P0455 is defined as a Evaporative System Malfunction, Gross Leak. P0455 appears when the EVAP system has determined that it cannot …
P0420 OBD-II: Catalyst System Efficiency Below Threshold
What causes OBD-II fault code P0420? The Catalytic Converter takes the exhaust gases left over by the combustion process and converts those gases to harmless emissions. The engine control module …
P0300 OBD-II: Random/Multiple Cylinder Misfire Detected
What causes OBD-II fault code P0300? When the engine control module (PCM) detects that one or more cylinders are not sufficiently contributing to keeping the engine running properly, it will set code …
Understanding P0442 OBD-II Code: Small Evaporative Leak
Discover the P0442 OBD-II code for small evaporative emission system leaks. Learn symptoms, common triggers, diagnostic methods, and repair advice on RepairPal.