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Spontaneous loss of EV (indicated) range

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by 3PriusMike, Jan 15, 2014.

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  1. evfinder

    evfinder Member

    Joined:
    Jul 29, 2011
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    Location:
    Los Angeles, CA
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    I try to do all the range stuff like accelerating gently, anticipating lights, braking gently. My normal commute does have lots of stop lights and a few stop signs though. I try to keep the guage no more than half way and try to glide when possible
     
    #41 evfinder, Feb 4, 2014
  2. Michael999

    Michael999 Junior Member

    Joined:
    Jan 22, 2014
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    Location:
    Eastern Ontario, CANADA
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base

    I've got the same problem. Decay until about 14.3km (22km max rated) when the car wouldn't start. Towed to dealer and replaced 12V battery. Since them problem has continued. I loose exactly 0.2km of EV available after full charge. Taking back to dealership - I don't think the original 12V battery was the problem .. 2 in 1 month. I tried the 12V charge by car by leaving it on in park for 6 hrs for this new battery. Bat remains at 12.65V before and after charge, but EV reduced from 18.5 to 13.5 with all lights on. Something was pulling power!
     
    #42 Michael999, Feb 7, 2014
  3. Michael999

    Michael999 Junior Member

    Joined:
    Jan 22, 2014
    13
    5
    0
    Location:
    Eastern Ontario, CANADA
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Meant to say loose exactly 0.2km of EV per day
     
    #43 Michael999, Feb 7, 2014
  4. 3PriusMike

    3PriusMike Prius owner since 2000, Tesla M3 2018

    Joined:
    Jun 21, 2009
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    Location:
    Silicon Valley
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    After my 12v battery was replaced 3 weeks ago, all is normal on my car. Went from 13.1 EV miles up to 13.8 (warm weather in CA) over a few days/charges, then back down to 12.5 (a bit colder and several not-normal-for-me freeway drives).
    Just before all this started for me I was at 11.1 ~ 11.5 miles and after one charge it went down to 6.6 miles

    Mike
     
    #44 3PriusMike, Feb 7, 2014
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