Shaking rattling engine codes p0302 p0304 multi cyl.

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Scottyboy24, Mar 5, 2025 at 1:22 AM.

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  1. rjparker

    rjparker Tu Humilde Sirviente

    Joined:
    Jun 6, 2008
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    Location:
    Texas Hill Country
    Vehicle:
    2012 Prius v wagon
    Model:
    Three
    The thread title is
    "Shaking rattling engine codes p0302 p0304 multi cyl."

    From first and fourteenth posts:

    "The car runs fine except when it rarely misfires. Mostly upon start-up,(only ever now and then) but it has also happened at a red light on the way to the shop.(once) Only shakes for about 3 seconds" and "I was expecting it to start shaking and throw the [misfire] code again".

    Plus a dealer borescope diagnosis of water in the cylinder.
     
    #21 rjparker, Mar 7, 2025 at 12:55 AM
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