How do you change the o2 sensors on a 2001 corolla
Aug 12, 2009 at 12:08 PM
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MMPRINCE4000
✓Experienced Mechanic
8,548 POSTS
Disconnect the electrical connector to sensor, use an O2 socket or a box end wrench (thread wires through wrench) and remove sensor. Use anti-sieze on threads of new O2 sensor.