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PRIUS 2007 RUNS MORE ON ICE, AND HAS GOT ONLY 25MPG

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Dxta, Nov 14, 2016.

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  1. Dxta

    Dxta Senior Member

    Joined:
    Nov 7, 2016
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    Location:
    Lagos
    Vehicle:
    2008 Prius
    Model:
    II
    Morning guys. I'm done with replacing some of the bad battery modules, on this Prius. We actually replaced about 7modules.
    Cleared the stored codes, but the P3000-123 keeps coming back.
    Alldata points me to check
    *HV battery system
    *Battery ECU

    **I have swapped a known good battery to see what the problem was, but it just did not work.
    ***could the problem be in the HV wiring harness?

    Anyone with an idea, pls he'll!!!!!
     
    #41 Dxta, Nov 26, 2016
  2. stockdaddy

    stockdaddy Member

    Joined:
    Feb 27, 2015
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    Location:
    Missouri
    Vehicle:
    2006 Prius
    Model:
    II
    are you running the car with the heat or ac on? that would cause the ICE to run a lot more especially when the car is not moving. try to warm the car up by driving for 5 miles, reset the mpg display and drive on cruise control at 65mph on the highway for 30 miles and see what you get.
     
    #42 stockdaddy, Nov 29, 2016
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