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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-517 NOTE: Check harness after checking intermediate connectors . Then go to Step 12. Q: Is the harness wire in good condition? YES : Replace the ECM or PCM. Then go to Step 12. STEP 12. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − Other Monitor (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. DTC P0451: Evaporative Emission Control System Pressure Sensor Range/Performance AC001943 A B C EVAPORATIVE EMISSION EVAPORATIVE EVAPORATIVE FUEL TANK CHECK VALVE A CHECK INTAKE MANIFOLD SYSTEM DIAGRAM D E F G I H L N M K J O P CHAMBER AC FUEL TANK DIFFRENTIAL |