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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-245 STEP 11. Check the fuel pressure. . Q: Is the fuel pressure normal? YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, ID Code or GROUP 42C, ID Codes Registration Judgment Table <Vehicles with WCM> NO : Repair it. Then go to Step 12. STEP 12. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Pattern 11 (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. |