Hey, everyone was a big help with fixing my major issue with my engine a few days ago and I thought all was good, but now it's spitting O2 sensor codes that I still need to get resolved. It's making the engine run lean and randomly stalling.

The codes are P0131 - Incorrect voltage to Bank 1 Sensor and P0135 for the Bank 1 heater. Anyone have any suggestions on a resolution? I all ready replaced the sensor itself.

I checked the voltages from the the voltage is roughly 390mV when it is supposed to be 175mV.

The documentation that says it should be 175mV which would explain it running lean. Now I just have to determine why.