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Fuel Dilution and spark plugs

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by AdamD, Apr 1, 2024.

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  1. AdamD

    AdamD Junior Member

    Joined:
    Mar 10, 2021
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    Location:
    Washington
    Vehicle:
    2004 Prius
    Model:
    N/A
    Update: Fuel dilution 0% on 2nd analysis (see pic attached)

    And I learned probably why I had 2.5% dilution likely due to my kid using the car.
    I just learned the morning before I changed the oil he took my car up a mountain pass... had throttle pegged 100% down barely holding 80MPH going up. Avg MPG for the trip (up and down) was 25MPG!!!!! I normally get 50+mpg

    He showed me pics/vid his friend took.
     

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    #21 AdamD, Aug 17, 2024
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