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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-113 DIAGNOSIS STEP 1. Using scan tool MB991958, check data list item CAUTION To prevent damage to scan tool MB991958, always turn the manifold. (3) Turn the ignition switch to the "ON" position. DE, Intake Air Temperature Sensor 2. (5) Heating the sensor using a hair drier. • The indicated temperature increases. NOTE: Do not allow it to increase over 80 ° C (176 ° F). (6) Turn the ignition switch to the "LOCK" (OFF) position. YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Cope with Intermittent Malfunctions . NO : Go to Step 2. AC608435 Data link connector MB991827 MB991824 MB991910 AB AK403661 AE Intake air temperature |