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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-379 STEP 1. Check if the battery terminal is disconnected Q: Has the battery terminal been disconnected lately? 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 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 3. STEP 3. Using scan tool MB991502, check data list. Reference Table ( a. Item 14: Throttle Position Sensor. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : Go to Step 4. symptom is eliminated. STEP 4. Using scan tool MB991502, check actuator test. Actuator Test Reference Table ( ). a. Item 10: EGR Solenoid. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the actuator operating properly? YES : Go to Step 5. symptom is eliminated. AKX01177 16 PIN MB991502 AB AKX01177 16 PIN MB991502 AB AKX01177 16 PIN MB991502 AB |