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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-551 DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A STEP 1. Using scan tool MB991958, read the diagnostic CAUTION To prevent damage to scan tool MB991958, always turn the YES : Refer to, Diagnostic Trouble Code Chart NO : Go to Step 2. STEP 2. Using scan tool MB991958, check data list. . a. Item 10: Mass Airflow Sensor. c. Item 12: Accelerator Pedal Position Sensor (sub). (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 3. STEP 3. Check harness connector B-08 at throttle actuator YES : Go to Step 4. Connector Inspection . Then go to Step 9. AK700568AB MB991824 MB991827 MB991910 Data link |