Chevy Avalanche P0440: Meaning, Causes, How to Fix
The P0440 code is a common trouble code that many Chevy Avalanche owners may encounter. It indicates that there is an issue with the truck’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more