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2017 low miles startup rattle

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by pickled_ogo, Jul 20, 2024 at 3:59 PM.

  1. pickled_ogo

    pickled_ogo New Member

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    Hey everyone,

    2017 with 20k miles here. Just started it up this morning and had a loud rattling sound, turned it off and tried again, it subsided after a short time and I left it parked.

    From what I’ve read, it could be head gasket, egr, fuel injectors or spark plugs. With 20k miles, which would be the more likely culprit from likely not being driven much (I bought it with 16k).

    I’m assuming not the head gasket because of the year, but any way of troubleshooting?

    If anything is beyond my low level of expertise, should I have it towed?

    thanks all!
     
    #1 pickled_ogo, Jul 20, 2024 at 3:59 PM
  2. rjparker

    rjparker Tu Humilde Sirviente

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    Drive it everyday for a couple of weeks. See if the behavior repeats and if it smooths out quickly.

    Have a borescope test first. I would wonder if the miles are legitimate.

    Don’t waste money on plugs, coils or injectors if it runs smooth the rest of the day or only does it twice a month.


    Car Care Nut HG Borescope at 7:40



    Shudder video
     
    #2 rjparker, Jul 20, 2024 at 4:32 PM
  3. pickled_ogo

    pickled_ogo New Member

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    thanks for the reply. Miles do check out via carfax, unless there’s a way to fake that. Interior also looks brand new.
     
    #3 pickled_ogo, Jul 20, 2024 at 4:59 PM
  4. bisco

    bisco cookie crumbler

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    maybe just a one off? did you start it the previous time and shut it off before it finished warmup?
    i can't think of anything else that could cause that at 20k. iirc, mileage can be faked. what's the history of the car?
     
    #4 bisco, Jul 20, 2024 at 9:34 PM
  5. pickled_ogo

    pickled_ogo New Member

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    I did for the first time start it up and move it up about 5 feet and turn it off, could that actually have something to do with it? I’ll try starting it up today.
     
    #5 pickled_ogo, Jul 21, 2024 at 1:50 PM
    bisco likes this.
  6. bisco

    bisco cookie crumbler

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    that is a very common cause of shaking on the next start. unburned hydrocarnons left in the manifold or somesuch
     
    #6 bisco, Jul 21, 2024 at 1:52 PM
  7. rjparker

    rjparker Tu Humilde Sirviente

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    You need to drive it every day and start stop a few times after the first drive of the day to see if it repeats. If it repeats, a diagnosis and repair can save the engine.
     
    #7 rjparker, Jul 21, 2024 at 3:52 PM
    Last edited: Jul 21, 2024 at 4:31 PM
  8. pickled_ogo

    pickled_ogo New Member

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    Thanks guys, I'll report back after driving!
     
    #8 pickled_ogo, Jul 21, 2024 at 4:00 PM
  9. pickled_ogo

    pickled_ogo New Member

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    Three
    I've started the car up and driven it around 3 times today; so far no sign of any issue. Fingers crossed it was a one off.
     
    #9 pickled_ogo, Jul 21, 2024 at 6:14 PM
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