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Home >> Volvo >> 1991 >> 740 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Fuel Control >> Mass Airflow Meter
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Mass Airflow Meter

  1. Remove rubber sleeve from airflow meter to uncover wire connector. DO NOT disconnect connector. Using a voltmeter, back probe connector terminals. Connect voltmeter leads between ground and terminal No. 5 on mass airflow connector.
  2. Voltage reading should be 12 volts. Connect voltmeter leads between terminals No. 1 and 5 on mass airflow connector. Voltage reading should be 12 volts.
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