2011 JAGUAR XF AJ-V6D Gen III/AJ126 (X250)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Front suspension bush wear
• Electrical gremlins in infotainment system
• High-pressure fuel pump failures in some V6 petrol engines

First checks

• Check timing chain and tensioner condition
• Inspect oil leaks around valve covers and oil cooler
• Verify electrical connectors for corrosion

Vor dem Teiletausch

• 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

• Diesel engines primarily sold in European and select global markets with emissions variants affecting exact specs.
• Supercharged V8 reserved for higher-spec models, mostly in North American and European markets.
• Oil capacity and service-fill quantities depend on specific engine and oil filter version; consult detailed workshop manual for exact figures.