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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-399 DIAGNOSIS STEP 1. Check the evaporative emission purge solenoid − Evaporative Emission Purge Solenoid Check ( Q: Is the evaporative emission purge solenoid normal? YES : Go to Step 2. symptom is eliminated. STEP 2. Check the evaporative emission ventilation − Evaporative Emission Ventilation Solenoid Check ( Q: Is the evaporative emission ventilation solenoid normal? defective items. a. Check for leaks from the vapor line or evaporative emission canister. b. Check for leaks from the fuel tank. Then confirm that the malfunction symptom is eliminated. NO : Repair or replace. Then confirm that the malfunction symptom is eliminated. |