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TSB Revision DIAGNOSTIC TROUBLE CODE PROCEDURES 13Ac-493 STEP 16. Check for leaks in the evaporative emission GROUP 17, Evaporative Emission Canister and Fuel Tank (2) Connect a hand vacuum pump to the vent nipple of the evaporative emission canister. (3) Plug the other two nipples or loop a hose between them. the canister holds vacuum. Q: Does the evaporative emission canister hold vacuum? YES : Reinstall the evaporative emission canister. (Refer to GROUP 17, Evaporative Emission Canister and Fuel NO : Replace the evaporative emission canister. (Refer to GROUP 17, Evaporative Emission Canister and Fuel STEP 17. Pressure test for clogging in evaporative and plug hose F 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 to the fuel tank filler tube. (5) After it is confirmed that pressure maintained, unplug hose F. (6) Disconnect the evaporative emission system pressure pump and reinstall the fuel cap. (7) Connect hose F to the evaporative emission canister. YES : Go to Step 23. AC102602 AC HOSE F ACX01358 AC102548 HOSE F AC |