P0051 Toyota - 2005 3.0

Question

Have toyota camry 05 LE 3.0 liter motor. Throwing P0051 code. Have sensor can not get old sensor out. Already replaced front down stream. Now have rear upstream in cross over behind motor and will not come out.

Answer 1

P0051 Oxygen (A / F) sensor heater control sensor low Bank 2 Sensor 1

 Use a penetrating oil and let it soak in there. If you have to use a cheating bar or big pipe that will fit the wrench and give is slight turn working it back and forth