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P2197 Diagnostic Trouble Code Discussion for July 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Lean

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Trouble Ticket Help Requests for DTC P2197
Help Request Posted
2004 Ford Ranger Edge 4.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FTZR45E34
P2197: lack of heated o2 sensor switching indicates lean b2s1. truck runs fine most of the time.. on my genisys under component parameters the mis fires are cyl #'s 4,5 ,6 only. smoke test revealed leak at egr diaphram and at throttle shaft on tps side. no other leaks found. i know these have to be fixed but im doubting t...
July 13, 2009
2007 Toyota Sienna LE 3.5L Excessive Emissions, MIL Lamp on VIN: 5TDZK23C67
P2197: Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean". ... p0051 and a p0158 and p2197 codes I have no toyota info and have no idea where to start. Looks like I should replace the Bank 2 sensor 1 AFR sensor. Does anyone have any service info on these codes? Thanks Jason
July 17, 2009