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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Fuel Tank And Lines - Fuel Tank And Lines - Diesel -- XF/(X260)) >> Fuel Tank And Lines - Diesel (G1800234) >> Diagnosis And Testing >> Fuel Tank And Lines - TDV6 3.0L Diesel >> Mis-Fueling Issues - Adding Diesel Exhaust Fluid (Def) To The Diesel Fuel Tank >> Mis-fueling Procedure 4

Mis-fueling Procedure 4

WARNING: This page is about a different variant/trim than selected.
SYMPTOM POSSIBLE CAUSES ACTION
Mis-fueling issue. The diesel fuel tank has been filled with diesel exhaust fluid The vehicle has been driven until it stops or over two minutes. The entire fuel system will need reworking
  1. Referring to the relevant article in the repair information, drain the fuel tank
  2. Clean and flush all the low pressure fuel pipes
  3. Replace the fuel filter
  4. Replace the high pressure fuel pump
  5. Replace all the high pressure fuel pipes
  6. Replace the diverter pipe and both fuel rails
  7. Replace the fuel cooler
  8. Replace all the fuel injectors
  9. Replace the fuel pump module and fuel level sensor
  10. Remove all the traces of residual fuel within the fuel tank using clean absorbent cloth/paper
  11. Invert the fuel pump module and fuel level sensor to remove all the traces of residual fuel
  12. Reassemble the fuel pump module and fuel level sensor to the fuel tank
  13. Fully fill the fuel tank with clean diesel
  14. Road test the vehicle for at least 10 miles/16Km, checking for normal engine operation and that no stored diagnostic trouble codes are set
  15. Return the vehicle to the customer