Problem overview
The 2011-2013 Buick Regal is known to have issues with the EVAP system, a part of your emission control system.
The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.
To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.
12 people reported this problem
4 commentsBuick Regal vehicles with this problem
Average mileage: 53,500 miles
(30,000 - 64,000)
Need a diagnosis? Trust our Buick experts.
Oops! We got lost!
Your location cannot be detected. Please enter your zipcode for nearby shops.
Search for another problem
RepairPal ™Car Genius
Ask our experts about your Buick.
RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.
