FixVault
Home › Jeep › 2011 › Wrangler Sahara, Automatic › Repair and Diagnosis › Engine Performance › System › 3.8L - DTCS P0016 To P0204 › Diagnosis And Testing › P0155-O2 Sensor 2/1 Heater Performance › When Monitored:

When Monitored:

Engine running and heater duty cycle greater than 0%. Battery voltage greater than 11.0 volts.

About FixVault