Possible Causes
WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Circuit reference LSF1
- The engine control module measures a signal that remains low when transitions are expected
- Air leakage between heated oxygen sensor rear and catalyst
- Heated oxygen sensor rear circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Air leakage between catalyst and exhaust manifold flange
- Heated oxygen sensor rear tip contaminated by excessive oil consumption
- Heated oxygen sensor rear tip contaminated by poor or incorrect fuel
- Heated oxygen sensor rear failure