Chevy Silverado 2024 Evap System. The p146d code for chevrolet indicates a problem with the evap (evaporative emission control system) purge system pressure sensor circuit, specifically detecting low. There’s too much information to cover in one article.

The evap system uses the charcoal canister to store fuel vapors that escape the cas tank through a tube. After 30 minutes of dc fast charging, it added 236 miles of range,.