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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-227 STEP 5. Test the OBD-II drive cycle. CAUTION To prevent damage to scan tool MB991958, always turn the DTC. (3) Carry out the test drive with the drive cycle pattern. Refer to Diagnostic Function − OBD-II Drive Cycle − Pattern 22 (4) Check the diagnostic trouble code (DTC). YES : Then go to Step 6. Refer to GROUP 00, How to Use Troubleshooting/ − How to Cope with Intermittent Malfunctions P.00-15 . STEP 6. Replace the linear air-fuel ratio sensor. Diagnostic Function − OBD-II Drive Cycle − Pattern 22 (3) Check the diagnostic trouble code (DTC). YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, Diagnosis with KOS> P.42B-15 or GROUP 42C, Diagnosis − ID Codes Registration Judgment Table <Vehicles with P.42C-10 . Then go to Step 7. NO : The inspection is complete. STEP 7. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Pattern 22 (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. AK700568AB MB991824 MB991827 MB991910 Data link |