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Home >> Land Rover >> 2021 >> Discovery R-Dynamic HSE >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Evaporative Emissions - INGENIUM I4 2.0L Petrol -- Discovery/L462 >> Evaporative Emissions - INGENIUM I4 2.0L Petrol (G2006483) >> Diagnosis And Testing >> Evaporative Emissions - INGENIUM I4 2.0L Petrol (G2201768) >> Symptom Chart

Symptom Chart

Symptom Possible Causes Action
Difficulty in filling fuel tank
  • Restriction in the vapor line between the fuel tank and the carbon canister outlet/atmospheric port
  • Check for restrictions/damage, etc (see visual inspection)
Fuel smell
  • Fuel system leak
  • Purge valve inoperative
  • Check for leaks
  • Check the operation of the purge valve
CHECK FUEL FILLER CAP displayed on message center and only evaporative emission system leak DTC  s P0442/P0455/P0456 set
  • Fuel system leak detected
  • Refer to the information below regarding the diagnostic routine and the special tools. GO to PINPOINT TEST A .
Malfunction Indicator Lamp (MIL) illuminated and only evaporative emission system leak DTC  s P0442/P0455/P0456 set
  • Fuel system leak detected
  • Refer to the information below regarding the diagnostic routine and the special tools. GO to PINPOINT TEST A .
DMTL  system related DTC  s P0447/P0448/P2401/P2402/P2404/P2405/P2406/P2450 set
  • Diagnostic Module Tank Leakage (DMTL  ) system fault
  • Refer to the information below regarding the diagnostic routine and the special tools. GO to PINPOINT TEST A .