Possible Cause
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- Front A/F sensor (bank 2, sensor 1) failure
- Front A/F sensor (bank 2, sensor 1) AFHT B2 line open
- Front A/F sensor (bank 2, sensor 1) AFHT B2 line short to ground
- Front A/F sensor (bank 2, sensor 1) heater power supply line open