Why does 02 Chevy Express stall only in reverse?

A 2002 Chevy Express stalling only in reverse could be caused by several issues. Common culprits include a faulty transmission, issues with the torque converter, or a problem with the idle air control valve that affects engine performance under load. Additionally, a dirty fuel filter or a failing fuel pump could result in inadequate fuel delivery when the vehicle is in reverse. It's advisable to have a professional mechanic diagnose the issue for an accurate assessment.