Causes and Fixes P0133 Code: Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 1)

How to fix P0133 Code: Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 1) The 02 sensors measure the oxygen content in the exhaust gases after they leave the combustion process of the engine. They also monitor the catalytic converter. Causes include a bad 02 sensor, wiring issues, exhaust leaks, and, in rare cases, a computer failure that can trigger a P0133 code. Possible Causes of a P0133 Code: Bad Bank 1 Sensor 1 Oxygen Sensor 02 Sensor Wiring issue Exhaust Leaks By using this information user assumes all risk of use.