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P2196 Diagnostic Trouble Code Discussion for October 2010

Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich

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Trouble Ticket Help Requests for DTC P2196
Help Request Posted
2003 Ford Focus ZTW 2.0L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FAFP36323
P2196: B1S1 O2 sensor always rich. ... bad these cars are. Usually right after a cold start-up, (but it does it when hot also), the engine runs as if it is not getting any gas.(or if the EGR valve is stuck half way open, but it is closed). Data on scan tool, KOEO before starting, B1S1 and B1S2 ...
October 02, 2010