We don't have a lot of Buick Rainier fuel system problems on file — feel free to add yours here. The most common Rainier fuel system problems occur at 127,000 miles. Click on a year below.

Worst Fuel System Problems
fuel vapors escape from tank/pump when truck is parked 2004 Buick Rainier
problems fueling the vehicle 2004 Buick Rainier
gas gauge went erratic, now broken 2006 Buick Rainier