The code that comes up is P0037 heater circuit low Bank 1 Sensor 2
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2006 Nissan Altima Question: 02 sensor
Answer #1pushrod May 10, 2014, 00:09Master
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....
ziptie12 May 10, 2014, 19:34Master
IF DIAGNOSIS was paid for , ask your mechanic if he can guarantee that it's correct. What was TESTED as pushrod already asked?