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P0154 Diagnostic Trouble Code Discussion for June 2011

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Remains At Center

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Trouble Ticket Help Requests for DTC P0154
Help Request Posted
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D41
P0154: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity Detected. ... after a while of use with a code P0154. The scanner says bank 2 sensor 1. When I look at the wiring diagram the diagram calls this particular sensor B1S1. Anyway, when the car is started the sensor reads .255 for about 20 seconds and then drops to the runn...
June 07, 2011