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P2270 Diagnostic Trouble Code Discussion for July 2014

Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Lean

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Trouble Ticket Help Requests for DTC P2270
Help Request Posted
2010 Audi Q7 Premium 3.6L MIL Lamp on VIN: WA1VYAFE2A
P2270: 008816 B1S2 Oxygen Sensor Signal Too Lean Intermittent. Hi Techs, I have this 3.6 litre that is apparently too lean on bank 1. When I look at block 032 Im sitting at .8% and .6%. Block 033 -4.7% @1.54v and -4.7% @1.5v. Block 036 .14v and .70v both saying the the o2 sensor are ok. All of my lambda number are at 1.00...
July 25, 2014