RepairPal Certified shops can diagnose and repair your 2001 GMC Safari. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
This commonly sounds like a fuel delivery issue. Perhaps the fuel pump is not providing adequate pressure to start the vehicle, before it may have been providing it intermittently to start after long crank times and has finally just failed. Give us a call at Brotherhood Garage, we'd love to provide you with a more thorough diagnosis.