Engine sounds a little louder than usual? (Video link)

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by frisco_prius, Oct 6, 2019.

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  1. frisco_prius

    frisco_prius New Member

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    Need Help, what's your opinion?

    2012 Prius 94k miles

    Some details:
    - Bought it at 87k miles (almost 1 year ago)
    - Changed oil + filter around 88k
    - Changed air filter around 88k
    - Changed transmission oil at 92k
    - Drive it 20 miles to work everyday
    - took two +200 mile trips since I bought it
    - Did not charge battery with plugin, till recently (two months ago)

    Issue:
    Car sound louder than usual, not sure if its bad. Started noticing the sound just recently.

    Most recent stuff that maybe the cause:

    - two months ago I tried my plug-in charger for the first time, it messed up the computer
    got the "check hybrid system ... " message and it was drive-able, but the normal mode engine wasn't coming on. I took it into the dealership and they reset the computer and it was running after that.

    - sometimes I stomp on the accelerator for fun, or floor it from a stop.

    - I always charge my battery now

    Video:
    video of the sound of my motor while idling
     
    #1 frisco_prius, Oct 6, 2019
    Last edited: Oct 6, 2019
  2. bisco

    bisco cookie crumbler

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    phone charger?
     
    #2 bisco, Oct 6, 2019
  3. frisco_prius

    frisco_prius New Member

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    ?
     
    #3 frisco_prius, Oct 6, 2019
  4. TMR-JWAP

    TMR-JWAP Senior Member

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    When was the last time you checked the oil level?
     
    #4 TMR-JWAP, Oct 6, 2019
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  5. bisco

    bisco cookie crumbler

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    'tried my charger for the first time'
     
    #5 bisco, Oct 6, 2019
  6. frisco_prius

    frisco_prius New Member

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    Literally like 10 minutes ago, the oil was between the the dots.

    Smelled SLIGHTLY like exhaust and is a little brownish / golden , but still see through.
     
    #6 frisco_prius, Oct 6, 2019
  7. frisco_prius

    frisco_prius New Member

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    oh..

    the plugin charger*
     
    #7 frisco_prius, Oct 6, 2019
  8. Rebound

    Rebound Senior Member

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    Do you get any diagnostic fault codes?
     
    #8 Rebound, Oct 6, 2019
  9. tankyuong

    tankyuong Senior Member

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    Sounds normal
     
    #9 tankyuong, Oct 6, 2019
  10. Slider2732

    Slider2732 Member

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    Sounds a little 'tappity' to my ears.
    I wonder if it's an EGR problem. It's getting near to the often recommended full EGR system clean at 100K miles and, perhaps here's your prompt to do that work before winter.
    Easiest thing, is to take off only the EGR pipe for an initial look. If it's blocked up, it's more likely to be a reason for odd running and then a full clean is immediately required, Have done the pipe myself (got a vid on YouTube) but NutsAboutBolts has an excellent guide, here:

    Not difficult, takes an hour or so.

    I'd certainly say to keep the car in Eco until you fix her up. Though, I do agree that these 'slow cars' can be the fastest off the lights... for the first 30ft :)
    We burn off the revving Camaro's and Mustang's with the unexpected fast sprint and, because it's childish.
     
    #10 Slider2732, Oct 7, 2019
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  11. bisco

    bisco cookie crumbler

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    agreed, time to clean the egr circuit before the head gasket blows, if it hasn't already
     
    #11 bisco, Oct 7, 2019
  12. bisco

    bisco cookie crumbler

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    btw, you have the wrong model, see mine
     
    #12 bisco, Oct 7, 2019
  13. Rebound

    Rebound Senior Member

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    Mine is noisy like that as well. Been that way a while. I just did an oil change. Cleaned the EGR, intake and all that. Who knows?
     
    #13 Rebound, Oct 7, 2019
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  14. bisco

    bisco cookie crumbler

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    i wonder if the plug in engine is different in any way. mine only has 20k, so i have no idea. definitely doesn't sound like that, but all prius engines sound bad in the warm up stage
     
    #14 bisco, Oct 7, 2019
  15. frisco_prius

    frisco_prius New Member

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    do you mean with a scan tool?

    how similar? like exactly?
     
    #15 frisco_prius, Oct 7, 2019
  16. frisco_prius

    frisco_prius New Member

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    .. is this like the Prius chat #1 solution for everything?
     
    #16 frisco_prius, Oct 7, 2019
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  17. Borninblue

    Borninblue Active Member

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    Yes, once you know the car enough you will realize it is the root of all evil for this car.
     
    #17 Borninblue, Oct 8, 2019
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  18. bisco

    bisco cookie crumbler

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    only for gen3. do far.:cool:
     
    #18 bisco, Oct 8, 2019
  19. Rebound

    Rebound Senior Member

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    I don’t think it’s different, but it probably lasts more miles in every way because the car drives in EV mode much more often.
     
    #19 Rebound, Oct 10, 2019
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  20. RMB

    RMB Senior Member

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    My car sounds like that during warm up too, now it gets noisier because I've been taking my kid to day care I have to climb a long steep hill pushing to 40-45 mph, maybe revving to 3200-3500 rpm?:cry:

    But taking your phone right up to the engine during warm up stage may exaggerate the noise a bit?(n)
     
    #20 RMB, Oct 10, 2019
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