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Discussion Starter · #1 ·
First time post, I finally need help.

2011 Mazda 2 (of course) high km's check engine light came on. Checked it with my scan tool and came up with the trouble code P0133.

Possible causes:
Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)
The oxygen sensor is faulty
The wiring to the sensor is broken / frayed
There is an exhaust leak

Just curious if anyone else has run into this yet, and if so what you did to remedy it?

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