DTC P0457-76: Evaporative Emission System Leak Detected (fuel cap loose/off) - Wrong mounting position: Action

WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Conditions to enable DTC Logging Strategy
- Ensure that the vehicle has a fuel level between 15 and 85%
- Ambient temperature is between 32°F and 95°F
- Using the manufacturer approved diagnostic system carry out "small leak test"
Refer to the relevant section of the workshop manual and check the evaporative emissions system for leaks
Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
Check fuel cap installation
Check fuel cap for correct sealing
Check DMTL air filter