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Battery giving out mid-drive

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Dantlife, Jul 24, 2018.

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  1. Dantlife

    Dantlife New Member

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    Vehicle:
    2005 Prius
    Model:
    Three Touring
    So, my 2005 Prius has been driving normally for about 15 minutes after it's turned on, but after that, the on screen main battery warning light comes on, and the acceleration slows down to going up about 1 mph per second. But after it is turned off and back on again, it goes back to having normal acceleration. I was wondering if anybody else has had a problem like this?
     
    #1 Dantlife, Jul 24, 2018
  2. bisco

    bisco cookie crumbler

    Joined:
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
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    Plug-in Base
    welcome!
    probably need a new one, how many miles on her? is it hot there?
     
    #2 bisco, Jul 25, 2018
  3. JC91006

    JC91006 Senior Member

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    II
    Maybe you have a failed inverter pump? Either way your car went into limp mode
     
    #3 JC91006, Jul 25, 2018
    fotomoto likes this.
  4. fotomoto

    fotomoto Senior Member

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    Isn't that like.... umm, 60 mph? ;)

    All kidding aside, another vote for inverter pump failure and the inverter is getting too hot. With the car in ON and in Park, you can check inverter coolant tank for turbulence/flow. If none, pump is shot.

    GOOD LUCK!
     
    #4 fotomoto, Jul 25, 2018
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