need some help with wideband

[slowsonicblue]

I have a Dynojet wideband on my truck. I removed the rear drivers side o2 out and replaced it with the dynojet. in my tune i have the rear o2's turned off (heater bank downstream 1,2 and the o2 config all turned off). now everyday on the way to work i get an SES light. check for codes and i get P1000 (i think this is normal) and P0156. does anyone have any ideas cause it's driving me crazy
HELP PLEASE!!!!!!!!

 

[ChuteboxeL03]

Dont quote me on this but iam not sure if your supposed to remove ur front 02's, i think ur supposed to tap in and make a new hole for the WB 02.

 

[slowsonicblue]

i removed the left rear o2 only. there has been some debate on the accuracy of the gauge because of it being after the cats but i don't think it's a huge difference. my boss has an 01 L and he did the same thing location wise, and has not had a problem with it.

 

[ChuteboxeL03]

I think you supposed to have it before so you get it all, cause after the cats most of the shit gets burned.

 

[Quiksilver]

Your PCM needs both factory front O2's to properly run the engine. You should put the stock one back on, and weld in a new bung for the wideband O2, before the cats.