O2 sensor 2/2 is the lower one, on the driver's side, (left side of the vehicle).
The Emission Warranty is based on too many factors to list here. You can download the warranty book for your year JK from the Jeep web site.
P0058-O2 SENSOR 2/2 HEATER CIRCUIT HIGH
Continuously during O2 heater operation with battery voltage between 10.4 and 15.75 volts.
The PCM detects that the O2 sensor heater element input is above the maximum acceptable voltage. One trip fault. Three good trips to turn off the MIL.
O2 2/2 HEATER CONTROL CIRCUIT OPEN
O2 2/2 HEATER GROUND CIRCUIT OPEN
O2 2/2 HEATER CONTROL CIRCUIT SHORTED TO VOLTAGE
2/2 O2 SENSOR
POWER TRAIN CONTROL MODULE (PCM)
Last edited by ronjenx; 01-06-2011 at 10:34 AM.