P053F-23 - Cold Start Fuel Pressure Performance Bank 1 - 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.
- Check for external fuel leaks from the high pressure fuel pump and fuel rail
- Check for internal fuel leaks from high pressure fuel pump into the low pressure fuel system