RepairPal Certified shops can diagnose and repair your 1998 Buick Park Avenue. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Tank isn’t being vented properly - there are a couple possibilities that require a scan test to determine actual failure within the Evaporative Emissions System (EVAP).
Now if you’re asking for a ‘best guess’ - Google > Vent valve solenoid.
Good luck!
Tank isn’t being vented properly - there are a couple possibilities that require a scan test to determine actual failure within the Evaporative Emissions System (EVAP). Now if you’re asking for a ‘best guess’ - Google > Vent valve solenoid. Good luck!