So put my scanner on no 0051 now it’s a p0152 bank 2 sensor 1 same sensor different code watches live data on that sensor and it’s not fluctuating between.1/.9 I believe it’s holding around 9 ! Just noticed I do have a p0455 and a p0442 . Looks like once up to temp o2 sensor is fluctuating right .

 

Heater circuit just warms it up faster.... even without it, it'll eventually get hot enough to start working.

You have a vacuum leak somewhere.

 

So I still have 0051 0455 0442 could the Evap code be causing the 0051 I believe someone told me to go after the Evap codes first ?

 

Vacuum leaks will throw off mixture ratio, to the point that it can annoy the PCM, so, yeah, fix the evap first, clear codes, see what happens.

 

Well seems the Evap codes are gone and I’m only getting 0051 so was gonna get to the o2 sensor and test or replace ? Any tips or tricks and is it ok to use copper antisieze on the new one ?

 

Low voltage in the heater circuit. Make sure it isn't just a blown fuse before replacing it.

 

The only fuse I seen for the o2 was a 20 amp under the hood and it was good

 

That is likely the correct one then. Check down at the connector, engine cold, and running, should see 12 volts (or whatever the alternator is putting out) on one of the pins.

 

Switch the 02 sensors an see if code goes to the other bank..If you replace it be careful w aftermarket ones..it's picky with non OEM 02s