P0400 Code: Easy Steps to Solve It
The P0400 code is a diagnostic trouble code (DTC) that indicates an issue with the Exhaust Gas Recirculation (EGR) system in a vehicle. This code specifically points to a malfunction in the EGR flow, which can lead to various performance issues and increased emissions. Understanding and addressing this code promptly is crucial for maintaining your vehicle’s efficiency and compliance with emissions standards. P0400 Code Meaning