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Engine sounds a little louder than usual? (Video link)

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by frisco_prius, Oct 6, 2019.

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  1. edthefox5

    edthefox5 Senior Member

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    Try different type of oil. There is oil out there that will substantially quiet the motor down but it’s not cheap,

    But you need to clean the egr first.
     
    #21 edthefox5, Oct 10, 2019
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