Possible Causes
WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Monitor description
. Actual ignition timing different to ignition timing requested for catalyst heating; stationary idle
- The powertrain control module has detected that the actual ignition timing is different to that requested for optimal catalyst heating
- 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
- Engine vacuum system leak
- Brake booster leak
- Engine speed error
- Incorrect accessory loading
- Engine misfire