Possible Causes
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Monitor description. Engine idle speed greater than maximum deviation allowed during catalyst operation
- This DTC is set when the powertrain control module measures a signal that remains low when transitions are expected.
- Intake air system leakage
- Intake air system components incorrectly installed, loose or damaged pipework
- Engine crankcase breather system leakage
- Engine crankcase breather system components incorrectly installed