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P3030 on Prius 2006

Discussion in 'Gen 2 Prius Main Forum' started by kolez2000, Nov 12, 2021.

  1. kolez2000

    kolez2000 Junior Member

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    Hello, I scanned a Prius 2006 and got the code p3030. I checked the battery wire harness and there wires were ok. How to hear from the prof here. Thanks
     
    #1 kolez2000, Nov 12, 2021
  2. bisco

    bisco cookie crumbler

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    #2 bisco, Nov 12, 2021
    SFO likes this.
  3. kolez2000

    kolez2000 Junior Member

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    @bisco thanks.....
    I am also have the cat heating up sometimes.
    Whenever I drive the car and parks it, th coolant overfill the reservoir at times...it heats up at times and I would have to park for few mins to top up coolant. What do you think could be the issues? I scanned but there was not fault code.
     
    #3 kolez2000, Nov 15, 2021
  4. Another

    Another Senior Member

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    You top up coolant with 50/50 coolant mix, not just water, correct?
     
    #4 Another, Nov 15, 2021
  5. bisco

    bisco cookie crumbler

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    stuck thermostat?
     
    #5 bisco, Nov 15, 2021
  6. kolez2000

    kolez2000 Junior Member

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    You suggest I check the thermostat right? I would do that. Thanks
     
    #6 kolez2000, Nov 17, 2021
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  7. kolez2000

    kolez2000 Junior Member

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    2005 Prius
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    Thanks, I would remove the thermostat and treat it to be sure...I would update you
     
    #7 kolez2000, Nov 17, 2021
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