02 sensor on 2006 Nissan Altima

The code that comes up is P0037 heater circuit low Bank 1 Sensor 2

by in Middle Village, NY on May 09, 2014
2 answers
ANSWER by on May 10, 2014
I see someone has already thrown an 02 sensor on it, like everybody does, without testing the circuits going to the sensor!! Find your answer in that statment....
ANSWER by on May 10, 2014
IF DIAGNOSIS was paid for , ask your mechanic if he can guarantee that it's correct. What was TESTED as pushrod already asked?
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