Codes on 07 TUNDRA SR5 with 5.7
it is throwing 2 codes
P2241 indicating O2 sensor heater circuit is open or shorted causing the
circuit voltage to be low. This will cause the fuel feedback control to not work
and the ECM to put the engine into failure mode.
PO158 appears when the sensor has remained at a high voltage for to long.
This oxygen sensor is located behind the catalytic converter and sends info
to the PCM about the efficiency and released oxygen levels of the catalytic
converter/
Ideas on what to do or replace first?