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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-517 STEP 7. Pressure test the evaporative emission system hose. (2) Remove the fuel cap. (3) Connect the evaporative emission system pressure pump to the fuel filler neck. (4) Apply a pressure on the evaporative emission system pressure pump, and confirm that air is maintained. (5) Disconnect the evaporative emission system pressure pump, and reinstall the fuel cap. (6) Connect hose E to the evaporator line. YES : Go to Step 15 . STEP 8. Check for vacuum leak in evaporative emission YES : Go to Step 9 . AC005140 HOSE E AC ACX01358 AC004932 HOSE E AH |