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2012 Fusion Sport AWD
218 Posts
Discussion Starter · #1 ·
2015 Fusion SE 2.5 with 92000 miles. CEL on and get a P0420. Hook up an OBDII adapter and torque to look at the O2 sensors activities, and bank 1 sensor 1 is not showing a voltage, no activity. Sensor 2 does when I rev it up. Would it fail in a way to not set a bad O2 sensor code like stuck off, but still show 0v and torque to not even acknowledge it as available?

I cleared it, I am not going to be able to drive it long enough to pass the catalyst and O2 readiness monitors.

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