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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-395 DIAGNOSIS Required Special Tool: STEP 1. Check the exhaust gas with the engine at normal Q: After enough warm up, was the exhaust gas checked enough? STEP 2. Check the following items. a. Check all vacuum hoses and connectors. problems. c. Check the exhaust system for missing or damaged parts. Q: Are they normal? YES : Go to Step 3. symptom is eliminated. STEP 3. Check the drive ability. symptom chart is occurring. Q: Is the drive − ability normal? YES : Go to Step 4. STEP 4. Using scan tool MB991502, read the diagnostic CAUTION To prevent damage to scan tool MB991502, always turn the Q: Is the DTC is output? YES : Refer to, Diagnostic Trouble Code Chart ( NO : Go to Step 5. AKX01177 16 PIN MB991502 AB |