AdBlue System Faults
SeriousExhaust & EmissionsBlueHDi diesel models frequently suffer from AdBlue tank deformation or injector crystallisation, often requiring a complete tank replacement.
Most affected: 1.5 BlueHDi, 2.0 BlueHDi
Estimated cost: £800–£1,500Affects: 2019–2024Often appears around: 40,000–80,000 miles
Typical symptoms
- •Emissions warning light
- •AdBlue countdown timer
- •Engine won't start message
What to inspect before you buy
- ✓Service records for tank replacement
- ✓Warning lights on dash
- ✓AdBlue fluid quality