Possible Causes
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Monitor description.
Inferred mixture strength (lambda) above threshold, (leaner mixture). Monitors cylinder specific fuelling errors which may not be detected by the overall fuel system monitor
- The engine control module has determined failures where some circuit quantity, reported via serial data, is above a specified range
- Fuel injector connector is disconnected, connector pin is backed out, connector pin corrosion
- Specified cylinder, localised air leak on intake manifold to cylinder head connection
- External fuel leak at fuel injector
- Fuel restriction within fuel injector
- Specified cylinder, localised damage/restriction of fuel rail
- Air leak around spark plug
- Air leak around fuel injector
- Fuel injector failure
- Ignition coil failure