Had codes p1151 &p0153, Changed out the o2 on the drivers side before cat now I have code p0155 & p1151. Any one have any info on where to go next. I got a 97 5.4 Expo. The o2 I took out was a ford bosch part. put in a bosch sencer. Plus I can;t get the interier lights off when a door opens. Thanks dave

 

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P.S. Thread moved to the Expedition forum.

 

P0153 Heated O2 Sensor Circuit Slow Response (Bank 2, Sensor 1)

P0155 Heated O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1)

P1151 Lack Of HO2S21 Switch - Sensor Indicates Lean

Its not uncommon to get a "bad" new O2 sensor. Might want to try to replace it again. Make sure you are using the correct Bosch sensor and not a Universal Basch sensor or one for the rear. You couls also have loose wires either on the connector or on the term strip where all the O2 sensor wires connect. Might have to trace the wires and see, assuming a replacement sensor still gives you the codes. The 1151 code is a tricky code to diagnose. Some people get the code, when they have fuel related issues, others with exhaust issues. Since you also have the O2 code, I would lean toward that being the problema dn giving you the 1151, but I could be wrong. Try another new sensor first.