You can diagnose the problem yourself if you have access to the right tools OBD2 diagnostic tool. O2 Sensor Codes include P0030, P0031, P0036, P0037, P0130, P0131, P0132, P0133, P0134, and P0135.
#2 –
A rotten egg odor emitting from the exhaust.
#3 –
A reduction in fuel economy.
#4 –
Your catalytic converter fails unexpectedly.
#5 – Exhaust emissions reach undesirable levels.