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P0101 MAF SENSOR EC-567 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O 3. Check the mass air flow sensor signal with Service $01. 4. Check for linear mass air flow sensor signal value rise in 5. If NG, go to Diagnosis Procedure INFOID:0000000005273529 1. INSPECTION START Which malfunction (A or B) is duplicated? A >> GO TO 3. B >> GO TO 2. 2. CHECK INTAKE SYSTEM Check the following for connection. OK or NG OK >> GO TO 3. NG >> Reconnect the parts. 3. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten three ground screws on the body. Refer to OK or NG OK >> GO TO 4. NG >> Repair or replace ground connections. 4. CHECK MAF SENSOR POWER SUPPLY CIRCUIT 1. Disconnect mass air flow (MAF) sensor harness connector. 2. Turn ignition switch ON. SEF534P BBIA0539E BBIA0541E |