2015 JAGUAR XF AJ126/AJ30D (X250)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain tensioner issues in early 3.0L V6 supercharged engines
• DPF clogging in diesel versions depending on driving pattern

First checks

• Inspect timing chain condition and tensioner
• Check DPF and EGR status on diesels
• Verify oil consumption and leaks around turbochargers

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Engine availability and specifications vary significantly by market due to emissions and taxation.
• Diesel engines mainly sold in Europe and some Asian markets; petrol engines dominate North America.