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P2198 Diagnostic Trouble Code Discussion for March 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 Expedition XLT 5.4L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FMPU16L44
P2198: bank 2 sensor 1rich at limit. vehicle came in w/acceleration problem at freeway speeds no power and vehilce would stall at stops, we checked fuel pressure and pressure is too high 100psi specs. are 55psi. we replaced fuel pressure regulator, fuel filter and fuel pump assembly and made no d...
March 12, 2009