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P2096 Diagnostic Trouble Code Discussion for May 2011

Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)

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Trouble Ticket Help Requests for DTC P2096
Help Request Posted
2008 Mini Cooper S Clubman 1.6L Poor Idle Quality, Hesitation VIN: WMWMM33578
P2096: Post cat fuel trim too lean bank 1. ... engine light on and vehicle running poorly. Found codes P1497, P2178 System too rich off idle bank 1, P2096 Post cat fuel trim too lean bank 1, and P2097 Post cat fuel trim too rich bank 1. We checked the plugs, cleaned MAF, and watched live data on the sc...
May 10, 2011
2008 Dodge Ram 2500 SLT 5.7L MIL Lamp on VIN: 3D7KS28D18
P2096: Downstream Fuel trim system 1 lean. ... truck here with a 5.7 and I am having a difficult time finding a cause for this p2096 code. I have found that when I graph the oxygen sensor operation that bank 1 switches at about half the rate of bank 2. Both sensors are switching lean and rich but one i...
May 20, 2011