three-way control valve

  1. coppercumin20
    Thread

    Coolant reservoir cap was open, 2 weeks later code P1121

    2006 Prius, ~165,000 miles Almost a year ago I got my coolant replaced. 2 weeks ago I noticed the engine coolant reservoir cap was off, and the...
    Thread by: coppercumin20, Feb 10, 2024, 3 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
  2. RGBrun
    Thread

    08 Prius Three Way Coolant Valve replaced then Inverter Coolant Pump Broke

    I have an 08 Prius with 159k miles. I got a check engine light with error code P1121. Had the three way coolant control valve replaced for...
    Thread by: RGBrun, May 28, 2021, 4 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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