Toyota Corolla: Common Problems, Fault Codes & Repairs Everything for the Toyota Corolla in one place — its common problems and reliability, the fault codes owners see most, and the tools to diagnose them. Common problems & reliability Toyota Corolla — Common problems & reliability Toyota Corolla fault codes Toyota Corolla P0420Toyota Corolla P0171Toyota Corolla P0128Toyota Corolla P0300Toyota Corolla P0401Toyota Corolla P0430Toyota Corolla P0442Toyota Corolla P0455 Toyota Corolla specs & capacities Toyota Corolla — Fuse box location & guideToyota Corolla — Oil capacity & typeToyota Corolla — Tire pressureToyota Corolla — Bolt pattern & wheel sizes Recommended tools Automotive MultimeterCompression TesterBattery & Charging System Tester Read your code: OBD-II scanners →