2018 Range Rover Sport(L494) 3.0L Diesel Engine | Over 90,000km

** Incorrect Diesel Exhaust Fluid Quality Detected warning **

1. Check DTCs
2. Check any intake and exhaust leaks
3. Check def injector
4. Check def fluid

Found the DEF INJECTOR CRYSTALLIZATION and Incorrect Def fluid

Replace new DEF injector and flushing DEF fluid 18L

Carry out DEF quality reset
Carry out injector fact reset
Clear DTCs
Check the PCM software level and update if need.

Road test with diagnostic tools for SCR monitoring

Verify the vehicle drive ok and no warning message 👍

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