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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-770 STEP 6. Check the fuel pump module. − Combination Meters Assem- bly and Vehicle Speed Sensor − On-Vehicle Service − Fuel Q: Is the fuel pump module normal? YES : Go to Step 7. STEP 7. Check the trouble symptoms. Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − (2) Check the diagnostic trouble code (DTC). YES : Replace the PCM. Then go to Step 8. Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunctions . STEP 8. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Procedure 6 − (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. |