P1151

Oxygen Sensor Pre Cat Bank 2 Lambda Control Limit Reached During Low Fuel Condition

P1151 - Lambda control limit bank 2.: Implausible signal/condition

Possible causes:
1. Low fuel level induced fault.

1. Low fuel level induced fault.
If no other faults for this oxygen sensor have been recorded. This fault could have been caused by the vehicle having been run with a very low fuel level, allowing air to be mixed with the fuel being drawn from the tank, thereby upsetting the ECMs calculated fuel/air ratio.