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  1. Jaycee2002
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    P0300 0301 0303 misfire and engine knock problem

    They changed spark plugs (my prius is 2012 and at 175K miles), engine coils, EGR and water pump. The check engine light will be off for a few days...
    Post by: Jaycee2002, May 24, 2022 in forum: Prius v Care, Maintenance and Troubleshooting
  2. Jaycee2002
    Post

    P0300 0301 0303 misfire and engine knock problem

    No repairs on head gasket yet. at 175k miles, the shop is recommending i replace the engine altogether. Now I'm debating what to do. I know...
    Post by: Jaycee2002, May 24, 2022 in forum: Prius v Care, Maintenance and Troubleshooting
  3. Jaycee2002
    Post

    P0300 0301 0303 misfire and engine knock problem

    Hello, I was reading this thread and my car is having same exact problems. Did it end up being the head gasket? I've already put in over $2K in...
    Post by: Jaycee2002, May 20, 2022 in forum: Prius v Care, Maintenance and Troubleshooting
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