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P2198 Diagnostic Trouble Code Discussion for January 2011

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 E-350 Super Duty 5.4L Hesitation, MIL Lamp on VIN: 1FCKE39L64
P2198: Lack of HO2S-21 Switch Sensor Indicates Rich. at 55 mph runs like cat converter is stopped up. transmission doesn't want to shift to 4th or will down shift to 3rd if in 4th. let off accelator it will shift on 1st or 2nd attempt. does not do this everyday. after it shifts it will run as fast as you want. 7...
January 26, 2011