1991 Toyota Corolla Problems: 2 Issues Every Owner Should Know
1991 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1991 Toyota Corolla has 2 documented known issues, with 1 rated critical. The most serious is Head gasket failure at high mileage causing coolant loss and oil contamination ($800-$2,500 repair). Across all issues with published estimates, repair costs range from $300 to $2,500. DIY maintenance guides at au7o.io.