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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-625 STEP 1. Using scan tool MB991958, check VIN Information. CAUTION To prevent damage to scan tool MB991958, always turn the Information. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 2. STEP 2. Using scan tool MB991958, read the diagnostic YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, Diagnosis or GROUP 42C, Diagnosis − ID Codes Registration Judgment Table <Vehicles with NO : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunctions . STEP 3. Using scan tool MB991958, read the diagnostic YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, Diagnosis or GROUP 42C, Diagnosis − ID Codes Registration Judgment Table <Vehicles with NO : The inspection is complete. AK700568AB MB991824 MB991827 MB991910 Data link |