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P2099 Diagnostic Trouble Code Discussion for October 2016

Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)


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Trouble Ticket Help Requests for DTC P2099
Help Request Posted
2010 GMC Acadia SLT 3.6L sets code p2099 VIN: 1GKLRNED8A
P2099: trim rich bank 2. Only 1 code P2099. Vehicle runs fine.After clearing code takes two months to return.No exhaust leaks { that we can find } O2 sensors working correctly.It has been suggested by another shop to replace all six injectors and injectors have been updated by G.M. Ha...
October 13, 2016
2010 GMC Acadia SLT 3.6L sets code p2099 VIN: 1GKLRNED8A
P2099: trim rich bank 2. Only 1 code P2099. Vehicle runs fine.After clearing code takes two months to return.No exhaust leaks { that we can find } O2 sensors working correctly.It has been suggested by another shop to replace all six injectors and injectors have been updated by G.M. Ha...
October 14, 2016