P0154 Honda -

Question

I replaced the sensor and the light came backbon

Answer 1

P0154 Front  air fuel ratio (A/F) sensor Bank 2 sensor 1 heater circuit malfunction

Is this the only code, if you get a P0134 set with this code replace the 02 sensor relay. if this is the only code recheck the connection P0154 is usually set do to a poor connection or a failed A/F sensor. try another A.F sensor.