2019 shuddering on initial pull away from a cold start.

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by ETP, Oct 29, 2019.

  1. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    2019 shuddering on initial pull away from a cold start. Does not seem to do it when Hot.
    Feels like the CVT to me. But I could be wrong.
     
    #1 ETP, Oct 29, 2019
  2. robsnyder20

    robsnyder20 Active Member

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    Battery low maybe? If engine is on and battery low sometimes mine (16) feels very odd.
     
    #2 robsnyder20, Oct 29, 2019
  3. bisco

    bisco cookie crumbler

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    different than past prius?
     
    #3 bisco, Oct 29, 2019
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  4. CooCooCaChoo

    CooCooCaChoo Senior Member

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    Are you pulling away from a cold start fast or slow? A cold engine, even more so now that colder temps are here, will kick on to bring operating temps up.

    There will always be some amount of shudder from the engine as it kicks on regardless, you will feel it less at speed than from a stop.
     
    #4 CooCooCaChoo, Oct 29, 2019
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  5. robsnyder20

    robsnyder20 Active Member

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    Good Point, when the engine is cold it will do its very best to avoid using the gas engine during the warm up procedure. If the battery drops down to 1 bar it will then have to use the engine to power the car during the normal warm up process and LUGS the engine. I usually try to ensure I have some energy when putting away the car to avoid this, or if its very low you can hit defrost to start the engine sooner than later.
     
    #5 robsnyder20, Oct 31, 2019
  6. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    OK, taking it in Wed for its first service. Definitely engine start up and not the transmission.

    It is more vibration than any of my 5 previous Prius'. Feels too lean or a lubrication issue. Hope they put 0W20 in it.
     
    #6 ETP, Nov 4, 2019
  7. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    More than the last 5.

    Bisco, you getting older:LOL::ROFLMAO:
     
    #7 ETP, Nov 4, 2019
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  8. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    Sorry it took so long to reply but it is the engine and it does not always do it! When cold I have felt it when warm sometimes. Might be super lean?????
     
    #8 ETP, Nov 4, 2019
  9. robsnyder20

    robsnyder20 Active Member

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    Whats the battery gauge at when it does it? Does the MPG indicator go up and down? ETP, do you happen to live in the SW florida area?
     
    #9 robsnyder20, Nov 7, 2019
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  10. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    OK, got my first forced service. The dealer was refusing to change my oil at 4K. So I was about to walk and they agreed to do it. You can never ever change you oil too often. Just impacts your wallet. Normally I wait to 6K but I needed a test run on dealer oil whatever that was. It says 0W16 but I think that is way too thin for Florida.
    The reason so soon is that I needed to see if the EARL made a difference. Wish I had checked the level before I dropped it off. Anyway was suspecting too thin of oil as a mitigating factor.

    So driving another test run today but it seems the vibration is gone or less. Maybe/sort of/ every odd Sunday on 29 Feb.

    Back at 1800 for Local news.
     
    #10 ETP, Nov 7, 2019
  11. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    New a Snyder in the AF back during the Civil War.
     
    #11 ETP, Nov 7, 2019
  12. Mendel Leisk

    Mendel Leisk Senior Member

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    The civil war air force was a pretty exclusive club? ;)
     
    #12 Mendel Leisk, Nov 7, 2019
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  13. Raytheeagle

    Raytheeagle Senior Member

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    So exclusive I bet most didn’t know it even existed:p.
     
    #13 Raytheeagle, Nov 7, 2019
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  14. Mendel Leisk

    Mendel Leisk Senior Member

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    There was a balloon brigade. I was gonna post a wiki link, but drifting further and further off-topic, over enemy lines...

    Better go make some coffee.
     
    #14 Mendel Leisk, Nov 7, 2019
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  15. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    Yep, intel balloons over confederate lines. Very dangerous.
     
    #15 ETP, Nov 7, 2019
  16. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    Ok, update! No shudder after the earl change on a two hour trip uphill, in the snow, and dessert in 100 degree and sub zero weather both directions. However, now I hear a very slight trans whine now that it is so quiet.:ROFLMAO::LOL:

    Wow, now I wonder about what kind of fish oil they had in my go kart. I call the Prius the go kart and the Highlander the beast.:)
     
    #16 ETP, Nov 7, 2019
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  17. ETP

    ETP 2021 Prime(Limit),24 Venza Limit,B52-D,G,F,H

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    Auburndale area. Not too far from you! Maybe! Florida is a big state.
     
    #17 ETP, Nov 7, 2019
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