O2 SENSOR HEATER

2001 Mazda

Tiny

davemcd

February, 12, 2008 AT 12:21 PM

Engine problem
2001 Other Mazda Models 6 cyl Two Wheel Drive Automatic 85000 miles

Getting a P0161 code on a Tribute which says it is a malfunctioning heater on an O2 sensor (Bank 2 Sensor 2). Which sensor is this ? Closest to firewall or radiator? Before or after catalytic converter?

Thanks

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