RepairPal Certified shops can diagnose and repair your 2002 Suzuki XL-7. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Bank 1 sensor 1 is always before the catalytic converter.
Bank 1 on this V6 is the driver's side (left) bank of cylinders. This is 1-3-5 cylinders, front to back.