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08 Prius Shakes

Discussion in 'Gen 2 Prius Technical Discussion' started by richard203, May 3, 2020.

  1. richard203

    richard203 Member

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    hi i was wondering is it normal if you let ur prius idle and it using the battery and then later the engine kicks in it shakes the car for a sec it does that every time the engine kicks in when its idling.
     
    #1 richard203, May 3, 2020
  2. Dxta

    Dxta Senior Member

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    In some its normal, as long ad there isn't the red triangle light or check engine light showing on the dashboard
     
    #2 Dxta, May 3, 2020
  3. richard203

    richard203 Member

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    there is no light on.
     
    #3 richard203, May 3, 2020
  4. Dxta

    Dxta Senior Member

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    Its normal then
     
    #4 Dxta, May 3, 2020
  5. fotomoto

    fotomoto Senior Member

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    A couple of things that can help: Tuneup (easy) and new motor mounts (not so easy). Also, it's a gen 2 thing.
     
    #5 fotomoto, May 3, 2020
  6. bisco

    bisco cookie crumbler

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    if it's occasional, it's usually unburned hydrocarbons in the intake manifold., usually caused by turning the car off while the engine is running. best to try to avoid the situation if possible.
     
    #6 bisco, May 3, 2020
    SFO likes this.
  7. richard203

    richard203 Member

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    i already did the tune up for the engine ( sparkplug, engine air filter, cleaning MAF sensor and throttle body) i did not replace the motor mount tho.
     
    #7 richard203, May 3, 2020
  8. 05PreeUs

    05PreeUs Senior Member

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    The WORST Prius start-up vibration I have experienced is still much less annoying than any of the non-hybrid vehicles I have driven with "auto stop/start", what garbage!
     
    #8 05PreeUs, May 3, 2020
    ydpplqbd and George W like this.
  9. dolj

    dolj Senior Member

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    Another thing that can help (which could also be classed as a tune-up): Reconditioning cycle of the HV (hybrid vehicle) battery.

    While on my car it was not too bad, more of an annoyance, this was one of the things I noticed immediately after doing its first recondition. The car no longer lingered or shuddered when transitioning to ICE off. To date, some four years later, still smooth.

    I am using a HA (Hybrid Automotive) system for reconditioning.

    I wonder if any other reconditioners out there could comment if you noticed the same. Whether positive or negative, all feedback would be useful.
     
    #9 dolj, May 5, 2020
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