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EVAP System Pressure Test

  1. Ensure fuel filler cap is properly installed. Using Land Rover TestBook confirm that DTCs displayed relate to an EVAP system fault. Inspect components in fuel and EVAP system for damage or poor connections. See Figure or Figure . Repair or replace components as necessary. Reset Malfunction Indicator Lamp (MIL) using TestBook.
  2. Perform Drive Cycle. See EVAP SYSTEM PRESSURE TEST DRIVE CYCLE . Using TestBook confirm that the Evaporative Loss Control (ELC) Inspection and Maintenance (IM) flag has cleared. This procedure should confirm that the ELC test was carried out during the drive cycle and that the fault was corrected.
  3. If the IM flag is still indicated, use TestBook to check for a DTC is set or IM flag is still indicated, but no DTCs are set. If a DTC is set, perform DTC inspection and appropriate repairs. If a IM flag is still indicated, but no DTCs are set the conditions for the ELC check have not been met and the drive cycle must be repeated. Connect the EVAP Diagnostic Station to the service port and carry out the procedures given in the operating instructions supplied with the equipment. Perform repairs as indicated by the EVAP Diagnostic Station and repeat step  2.
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