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  1. Preeeus
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    Is Mobile 1 High Mileage oil a bad match for the Prius?

    The only spec in the 2010 Prius manual for oil is ILSAC (it doesn't specify which ILSAC rating, such as GF-4). It looks like Mobil 1 High Mileage...
    Thread by: Preeeus, Mar 2, 2019, 84 replies, in forum: Gen 3 Prius Care, Maintenance & Troubleshooting
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