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P2198 Diagnostic Trouble Code Discussion for July 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Rich

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Trouble Ticket Help Requests for DTC P2198
Help Request Posted
2004 Ford Ranger Edge 4.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FTZR45E34
P2198: lack of heated o2 sensor indicates rich 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