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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-820 STEP 7. Pressure test the evaporative emission system and plug hose H securely. (2) Confirm that the evaporative emission system pressure pump (Miller number 6872A) is operating properly. Perform (3) Remove the fuel cap. (4) Connect the evaporative emission system pressure pump (Miller number 6872A) to the fuel tank filler tube by using (5) Pressure test the system to determine whether any leaks are present. (6) Remove the evaporative emission system pressure pump (Miller number 6872A) and the fuel tank adapter (7) Connect hose H to the evaporative emission canister. YES : Go to Step 13. AC306778 AC HOSE H PLUG AC306661 |