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2017 Prime vs. 2010 engine

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by amberlea, Dec 27, 2017.

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  1. amberlea

    amberlea Junior Member

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    Is the engine the same on the 2017 Prius Prime Advanced as in the 2010 Prius IV? I've experienced that knocking noise occasionally as others have with their 2010 and was looking into the 2017 Prime Advanced as a replacement. It doesn't make a lot of sense to go with a car with the same engine unless Toyota has done something to fix it in the new models. Anyone know?
     
    #1 amberlea, Dec 27, 2017
  2. Prodigyplace

    Prodigyplace Senior Member

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    I believe Toyota did some updates in 2012. We know the Gen 4 engine EGR system has been redesigned.
    @Tideland Prius @Mendel Leisk or others may be better able to answer.
     
    #2 Prodigyplace, Dec 27, 2017
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  3. Prodigyplace

    Prodigyplace Senior Member

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    People here have cleaned the EGR circuit & MAF sensor to reduce knocking..
    If the engine is burning oil. an Oil Catch Can could prolong the engine life.
     
    #3 Prodigyplace, Dec 27, 2017
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  4. amberlea

    amberlea Junior Member

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    Reduce knocking or eliminate it? I'm also at 110K miles so I fear a whole hybrid battery system will be needed sooner than later. Seems like a good time to trade. I just didn't want to end up with the same knocking issue with the Prime.
     
    #4 amberlea, Dec 27, 2017
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  5. Tideland Prius

    Tideland Prius Moderator of the North
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    The basic foundation of the engine is the same (2ZR-FXE engine).

    There have been tweaks made to the parts and ECU to make the engine more fuel efficient for the 4th generation.

    Also, we won't know what minor changes that Toyota made since they don't make available to the public a note of every single change.
     
    #5 Tideland Prius, Dec 27, 2017
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  6. bisco

    bisco cookie crumbler

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    i would wait a couple years and see how things shake out. the track record is... less than desirable.
     
    #6 bisco, Dec 27, 2017
  7. Raytheeagle

    Raytheeagle Senior Member

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    Eliminate;).

    All the condensables are removed from the PCV circuit and now are in a wide spot in the line which is dumped on occasion:).

    Clean the egr system front to back and install an oil catch can and you should be good to go for a good bit(y).
     
    #7 Raytheeagle, Dec 27, 2017
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  8. Elektroingenieur

    Elektroingenieur Senior Member

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    @bwilson4web discussed it in a previous thread, but you might be interested in this five-page SAE Technical Paper, which describes some of the changes to the 2ZR-FXE engine for the fourth-generation Prius:

    Matsuo, S., Ikeda, E., Ito, Y., and Nishiura, H., “The New Toyota Inline 4 Cylinder 1.8L ESTEC 2ZR-FXE Gasoline Engine for Hybrid Car,” SAE Technical Paper 2016-01-0684, 2016, doi:10.4271/2016-01-0684.

    ESTEC is “Economy with Superior Thermal Efficient Combustion,” and they claim a maximum thermal efficiency of 40%, versus 38.5% for the previous 2ZR-FXE engine.
     
    #8 Elektroingenieur, Dec 31, 2017
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  9. Rebound

    Rebound Senior Member

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    I owned a 2010 Prius and a 2012 Prius Plug-In.

    The 2010 would knock if I shut off the engine before it fully warmed up. Clearly this was some kind of software error, I was convinced. The 2012 never knocks. Ever.
     
    #9 Rebound, Jan 2, 2018
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  10. amberlea

    amberlea Junior Member

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    Thanks everyone! I decided to trade in my car for the 2017 Prius Prime Advance. I'm still learning everything about it!
     
    #10 amberlea, Jan 3, 2018
  11. Prodigyplace

    Prodigyplace Senior Member

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    Congrats!
    Please update your user profile here.

    EDIT: Update your signature too,
     
    #11 Prodigyplace, Jan 3, 2018
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  12. Mendel Leisk

    Mendel Leisk Senior Member

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    It doesn't reflect good on Toyota, when people are trading up based on fear, that their current Toyota is about to implode.
     
    #12 Mendel Leisk, Jan 3, 2018
  13. Prodigyplace

    Prodigyplace Senior Member

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    Hey, it works for Microsoft! :eek: :cry:
     
    #13 Prodigyplace, Jan 3, 2018
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  14. Vman455

    Vman455 Senior Member

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    You have that backward: current owners, faced with the possibility that it may--or may not--cost a few thousand dollars to keep their current Prius running, drop upwards of $30,000 on a new one. That's GREAT for Toyota's bottom line, especially if the same people do it again in 5-7 years.
     
    #14 Vman455, Jan 6, 2018
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  15. Mendel Leisk

    Mendel Leisk Senior Member

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    Mmm, you get more bees with honey?
     
    #15 Mendel Leisk, Jan 6, 2018
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