DTC P050B-93: Cold Start Ignition Timing Performance - No operation: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Check harness connectors for corrosion in terminals or splices
- Refer to applicable SYSTEM WIRING DIAGRAM(S) and check the ignition coils circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Check ignition coils for mechanical failure
- Check and install a new engine control module as required