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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-35 STEP 1. Using scan tool MB991502, check data list item 12: CAUTION To prevent damage to scan tool MB991502, always turn the 12, Volume Air Flow Sensor. (4) Warm up the engine to normal operating temperature:80 ° C to 96 ° C(176 ° F to 205 ° F). • The standard value during idling should be 10Hz or • When the engine is revved, the frequency should (5) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ NO : Go to Step 2. STEP 2. Replace the volume air flow sensor. Procedure 6 − Other Monitor ( ). (3) Check the diagnostic trouble code (DTC). Q: Is the DTC P0102 is output? YES : Replace the ECM or PCM. Then go to Step 3. STEP 3. Test the OBD-II drive cycle. Procedure 6 − Other Monitor ( ). (2) Check the diagnostic trouble code (DTC). Q: Is the DTC P0102 is output? YES : Retry the troubleshooting. AKX01177 16 PIN MB991502 AB ACX02480 CONNECTOR : B-14 AC VOLUME AIR |