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P2270 Diagnostic Trouble Code Discussion for June 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
2008 Chevrolet Silverado 1500 WT 4.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1GCEC19X58
P2270: Ho2s signal stuck lean bank 1 sensor 2. Hello all need some help, this truck came in running a little rough with check engine light on and reduced engine power light on. Scanned for codes and i pulled 11 codes the 6 noted below plus 5 more. The additional ones are p0106 map sensor performance, p0121...
June 03, 2014