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  1. Sungmanitu
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    Expected mpg improvement from EGR etc cleaning?

    I just cleaned the EGR valve and cooler myself and saved a bunch of money. You'll need 12mm and 14mm wrenches / sockets, a gallon of Purple...
    Post by: Sungmanitu, Apr 27, 2024 in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
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