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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-761 INSPECTION PROCEDURE 12: When the Engine Is Hot, It Stalls at Idle (Die Out). . COMMENT • In cases such as the above, the ignition system, air/fuel mixture, idle air control motor or compres- . TROUBLESHOOTING HINTS (The most likely • Malfunction of the ignition system. • Malfunction of air/fuel ratio control system. • Malfunction of the IAC system. • Vacuum leak. • Improper connector contact. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: V.C.I • MB991827: USB Cable • MB991911: Main Harness B STEP 1. Check if the battery terminal is disconnected. YES : Start the engine and let it run at idle for approximate 10 minutes after engine warm up. Then, if a NO : Go to Step 2. STEP 2. 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 3. AK303629AB MB991911 MB991827 MB991824 16-PIN |