Chevy Silverado 2024 Evap Leak. I'll show you how to diagnose code p0442 and how to locate the leak in minutes. How to fix a chevy or gmc p0442 code:
P0455 in the chevy silverado is a trouble code that indicates your truck has a large evaporative emissions leak. The p0443 code signals an issue with your vehicle’s evap system purge control valve.