2002 GMC Envoy Problems: 4 Issues Every Owner Should Know
2002 model year · 1,010+ owner reports · Updated April 2026
According to Au7o's analysis of 1,010+ owner reports, the 2002 GMC Envoy has 4 documented known issues, with 2 rated critical. The most serious are 4.2L I6 Crankshaft Position Sensor Failure and Stalling ($80-$300 repair) and Electric Cooling Fan Clutch Failure ($200-$500 repair). The most commonly reported issue is 4.2L I6 Crankshaft Position Sensor Failure and Stalling with 540 owner reports. Across all issues, repair costs range from $20 to $1,500. DIY maintenance guides at au7o.io.