1. Singh Saab

    Singh Saab Junior Member

    Joined:
    Sep 12, 2021
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    Vehicle:
    2018 Prius Prime
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    Prime Premium
    Hello
    Does anyone know what the MAF flow rate should be with the car on, engine off, not moving?
     
  2. ChapmanF

    ChapmanF Senior Member

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    Mar 30, 2008
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    The MAF sensor measures the rate of air flow through the engine. When the engine is off, I would expect, within measurement error, zero.
     
    road2cycle likes this.
  3. road2cycle

    road2cycle Active Member

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    Jan 18, 2021
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    Out of curiosity, what prompted this question?