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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-269 STEP 7. Test the OBD-II drive cycle. Procedure 3 − Catalytic Converter Monitor( (2) Check the diagnostic trouble code (DTC). Q: Is the DTC P0431 is output? YES : Retry the troubleshooting. DTC P0442: Evaporation Emission Control System Leak Detected AC001944 CHECK VALVE A CHECK EVAPORATIVE FUEL TANK EVAPORATIVE EVAPORATIVE EMISSION INTAKE MANIFOLD SYSTEM DIAGRAM A B C D E F G Q R I H K J L N O M AB P AC000183AB EVAPORATIVE EMISSION CANISTER FUEL TANK AC002073 AB EVAPORATIVE EMISSION |