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testing maf sensor

posted by  Volvov70.98 on  Mon Mar 30 14:09 CST 2020
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hi i drive a 98 volvo v70 non turbo and i unplugged the maf sensor and the car kept running does that mean the maf sensor is bad because car should have stalled out or shut off once unplugged right








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    testing maf sensor

    posted by  KlausC on  Tue Mar 31 09:28 CST 2020
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    last visit: Fri Oct 24 10:15 CST 2014
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    First, never unplug/plug in the MAF sensor while the engine is running.

    An unplugged MAF will still allow the engine to start and run nicely. The computer will assume default conditions. What is supposed to happen is the engine will run rough at higher throttle inputs, making driving almost impossible.

    If the MAF is unplugged or not functioning, the fuel:air ratio becomes fuel rich. The spark plugs foul and no longer deliver a spark. To say nothing about unburned gasoline washing the rings or ruining the cat converter.


    --
    Keeping it running is better than buying new







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