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  1. exstudent
    Post

    code p0111 p0211 p1116 p1611

    Did you recently replace an engine cooling loop part(s): radiator, engine water pump, CHRS pump, CHRS (aka thermos), coolant hoses? 1a) If yes,...
    Post by: exstudent, Oct 26, 2016 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. JC91006
    Post

    Coolant Transfer Noise...FIXED!

    The one on the right is the inverter pump, the one on the left is a 3 way coolant valve
    Post by: JC91006, Jul 3, 2017 in forum: Gen 2 Prius Technical Discussion
  3. ericbecky
    Post

    The dreaded dealer diagnostics

    Perhaps the 3 way valve? That is not an urgent issue. And if trading it in I'd be tempted to skip it.
    Post by: ericbecky, May 2, 2017 in forum: Newbie Forum
  4. N23papp
    Post

    P1121 after bleeding. Heater core?

    I am at a loss. I can't get rid of this code. I've blown through 3 3-way valves. I just got a new coolant pump and valve. Patiently bled the...
    Post by: N23papp, Mar 3, 2018 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  5. monoshock
    Post

    P1121 Code Which one is it ?

    Thanks everyone for your input. I have ordered a OME Toyota 3 way valve for $127 shipping included. I've replaced that valve 2 times now. The...
    Post by: monoshock, Jul 5, 2022 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  6. JC91006
    Post

    2004 Prius different codes for every MIL

    #1 check your gas cap #2 check the catalytic converter (most likely failure) #3 3 way coolant valve
    Post by: JC91006, Jun 23, 2017 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  7. bisco
    Post

    Ticking noise from dash

    could be an hvac damper trying to open or close, or sometimes it is the 3 way coolant valve.
    Post by: bisco, Aug 30, 2020 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  8. bisco
    Post

    2011 Prius Gen 3 Very Quiet Knocking at Low Speeds (Video Included)

    could be your brake actuator, 3 way coolant valve, or hvac vent flap
    Post by: bisco, Jun 7, 2019 in forum: Gen 3 Prius Main Forum
  9. JC91006
    Post

    resetting the diagnostic codes

    The check engine light is because of a bad 3 way valve. The repair should have addressed that issue. Then as a secondary issue, they discovered...
    Post by: JC91006, Jul 20, 2017 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  10. wooha2000
    Post

    2007 Prius Pump Sound

    Thanks.. I think I will get it changed.
    Post by: wooha2000, May 22, 2019 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  11. exstudent
    Post

    2007 Prius Pump Sound

    The valve is trying to get into the correct position. Since it can NOT, you are hearing that sound. If the valve was working correctly, you...
    Post by: exstudent, May 16, 2019 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  12. ChapmanF
    Post

    Inverter Coolant Issues?

    This sounds like some possible confusion. There isn't a three-way valve for the inverter cooling system. If you changed a three-way valve in a...
    Post by: ChapmanF, Jun 4, 2018 in forum: Gen 2 Prius Main Forum
  13. JC91006
    Post

    (video) prius 2008 makes strange noise

    this is the cause of your sound. The 3 way coolant valve Luscious Garage | Blog | Prius P1121: Coolant Flow Control Valve Position Sensor Stuck
    Post by: JC91006, Jun 26, 2015 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  14. JC91006
    Post

    Chugging noise from engine while driving

    If it sounds like a CD trying to eject constantly, that's the sound of a failing 3 way coolant valve
    Post by: JC91006, Jan 30, 2024 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  15. JC91006
    Post

    strange sound from from driver side (video attached)

    Yes, 3 way coolant valve. Replace it if the sound bothers you. There are no issues driving with that sound on.
    Post by: JC91006, Oct 23, 2020 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  16. JC91006
    Post

    2008, weird noise under hood, drivers side

    It probably is a bad 3 way valve, it'll be much louder when you open the hood
    Post by: JC91006, Apr 17, 2019 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  17. JC91006
    Post

    Please Help, Noise Behind Dash!

    That sound is from a failing 3 way coolant valve. If you change that, the sound will go away
    Post by: JC91006, May 13, 2018 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  18. Augustus88
    Post

    Constant Pumping Sound

    My car makes that same noise, and does throw the 3-way coolant valve code.
    Post by: Augustus88, Jun 26, 2016 in forum: Gen 2 Prius Technical Discussion
  19. Katrina O
    Post

    resetting the diagnostic codes

    Yup, they're clearly pretty clueless. This error code (& problem with valve) must be pretty common for you to have guessed it without my...
    Post by: Katrina O, Jul 20, 2017 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  20. Katrina O
    Post

    Diagnostic codes: Is my hybrid battery failing?

    sorry I'm not mechanically knowledgeable. 3-way valve?
    Post by: Katrina O, Jul 15, 2017 in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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