p0117
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P1121 Fail fix
I tried to fix my p1121 error code by replacing the 3-way coolant control valve. I even got OEM. I ended up spilling all the coolant on the...
Thread by: PrestonH2O, Aug 10, 2025, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting -
Thread
engine coolant mystery leak
Hi all, Just signed up. I bought my Prius a month ago and love it. 4 days ago I was driving home and noticed the engine temp light was on....
Thread by: Carsten, May 24, 2023, 14 replies, in forum: Gen 4 Prius Care, Maintenance and Troubleshooting
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