P0507-23 - Idle Control System RPM - Higher Than Expected - Signal stuck low: Action
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.
- Using the manufacturer approved smoke test system check the intake air system is free from leakage, components are correctly installed, not loose or that damaged pipework is allowing leakage
- Check Engine crankcase breather system is free from leakage, components are correctly installed, not loose or that damaged pipework is allowing leakage