P2423 Code: Easy Steps to Solve It
The P2423 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the HC (Hydrocarbon) Adsorption Catalyst efficiency being below the acceptable threshold for Bank 1 of the engine. This code is part of the OBD-II system, which monitors various components of the vehicle’s emissions system to ensure compliance with environmental regulations. When the engine control module (ECM) detects that the catalyst