Check Out Our Latest Posts For OBD2 Trouble Codes


Guide to Reading OBD2 Codes and What They Mean
In this guide, you will learn what OBD2 codes are and how to read them. A list of the standard generic code categories will also be interpreted.
P0420 CODE: Catalyst System Efficiency below Threshold (Bank 1)
The diagnostic trouble code P0420 indicates that the catalytic converter is not functioning efficiently. This post will tell you the meaning, what causes the P0420 and how to fix the problem.
Everything You Need to Know About the P0442 CODE
The diagnostic trouble code P0442 is related to the Evaporative (EVAP) Emission Control System. This post will tell you the meaning, what causes the P0442 and how to fix the problem.
P0301 CODE: Cylinder 1 Misfire
The diagnostic trouble code P0301 means that the cylinder isn’t getting enough spark, which results in the misfiring condition. Here you’ll learn everything you need to know about the P0301.
All about P0302 CODE: Cylinder 2 Misfire
The diagnostic trouble code P0302 means that there has been a misfire in cylinder number 2. Here we’ll discuss its symptoms, causes. Also, you’ll learn how to properly diagnose and repair it.
All about P0304 CODE: Cylinder 4 Misfire
The diagnostic trouble code P0304 means that there has been a misfire in the fourth cylinder. Here you’ll learn everything you need to know about the P0304.
P0403 Code: Exhaust Gas Recirculation (EGR) Circuit Malfunction
The diagnostic trouble code P0403 indicates that the EGR circuit has malfunctioned or stopped working. Here you’ll learn everything about the P0403.
P0430 CODE: Catalyst System Efficiency Below Threshold (Bank 2)
The diagnostic trouble code P0430 is a code that shows that the efficiency of your catalytic converter is less than it should be. Here you’ll learn everything about the P0430
P0440 CODE: Evaporative (EVAP) Emission Control System Malfunction
The diagnostic trouble code P0440 is defined as Evaporative Emission Control System Malfunction. This post will tell you the meaning, what causes the P0440 and how to fix the problem.
P0441 CODE: Evaporative (EVAP) Emission Control System Incorrect Purge Flow
The diagnostic trouble code P0441 is the Evaporative Emission Control System Incorrect Purge Flow. This post will tell you the meaning, what causes the P0441 and how to fix it
P0446 CODE: Evaporative (EVAP) Emission Control System Vent Control Circuit
The diagnostic trouble code P0446 is triggered by the engine computer (ECU) when there's a malfunction in the EVAP control system vent control valve. Here you’ll learn everything about the P0446
P0452 CODE: Evaporative (EVAP) Emission Pressure Sensor Low Input
The diagnostic trouble code P0452 code means that Evaporative (EVAP) emission pressure sensor low Input. Here you’ll learn everything you need to know about the P0452.
P0453 CODE: Evaporative (EVAP) Emission Pressure Sensor High Input
The diagnostic trouble code P0453 code means that Evaporative (EVAP) emission pressure sensor HIGH Input. Here you’ll learn everything you need to know about the P0453.
P0455 CODE Evaporative (EVAP) Emission System Large Leak
The diagnostic trouble code P0455 code means that Evaporative (EVAP) Emission System Large Leak. Here you’ll learn everything you need to know about the P0455.
P0456 CODE Evaporative (EVAP) Emission System Small Leak
The diagnostic trouble code P0456 code means that Evaporative (EVAP) Emission System SMALL Leak. Here you’ll learn everything you need to know about the P0456.
P0496 CODE: Evaporative (EVAP) Flow During a Non-Purge Condition
The diagnostic trouble code P0496 code means that Evaporative (EVAP) Flow During a Non-Purge Condition. Here you’ll learn everything you need to know about the P0496.
Simple Steps to Fixing the P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient
The diagnostic trouble code P0401 means that Exhaust Gas Recirculation (EGR) Flow Insufficient. Here we’ll discuss its symptoms, causes. Also, you’ll learn how to properly diagnose and repair it.
Your Guide to Fixing the P0303 Code: Cylinder 3 Misfire
The diagnostic trouble code P0303 means that there has been a misfire in the third cylinder. Here you’ll learn everything you need to know about the P0303