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P0054 Diagnostic Trouble Code Discussion for March 2010

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance

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Trouble Ticket Help Requests for DTC P0054
Help Request Posted
2004 Ford Focus LX 2.3L MIL Lamp on VIN: 1FAPP34Z24
P0054: heater circuit bank 1 switch 2. ... trying to help. this vehicle came to our shop from another shop that had done some other repairs and tried to address this one also. it had a code p0171 a the other shop as well as this p0054. they found a vacuum leak and was repaired and that code is no l...
March 15, 2010