2000 Toyota Celica 1.8 GT
T23 – 1ZZ Engine.
P0420 TOYOTA –
Catalyst System Efficiency Below Threshold Bank 1 Toyota P0420 Symptoms Check Engine Light is on Lack of power from the engine Decreased fuel economy Rotten egg or sulfur smell Toyota P0420 Causes Faulty oxygen sensor Worn and internally failing catalytic converter Leak in exhaust system Oil Burning in engine, make the sensor bad
OBD II scanner Blue Driver…
OBD II Scanner Memoscan U581…607