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1) Engine loop. 2) If they did not charge you for it, then they did not perform an Inverter loop drain/fill. 3) They should have simply drained...
That's not coming from under the fuse box. It's coming from the 3 way coolant valve. When it fails, you'll get a check engine light
No code, no check engine light. That’s why I’m saying forget it for now. Let us know how your replacement goes. I may do at a later time.
If you're going to save money by DIY, why go cheap? It's a bit of a tight fit to get this out. @jerrymildred has some ptsd from it
Hmm. Not aware of a defective 3-way valve causing a radiator to die. A defective 3-way valve will cause heater to not work, if it gets stuck in...
...leaking coolant from the water pump. It can't travel to those hoses like that. It may be spilled coolant from you last service of the 3 way...
Oh, apologies... When I did this job a couple years ago I had two codes, one for the throttle postion sensor and one for three way coolant valve....
...Do you think its fine to drive the car as is until I get the 3 way valve replaced? Going to need to drive places while i wait for the valve to...
Your 3 way coolant valve is not causing those lights, I mentioned it could be a combination of you HV battery failing and/or inverter pump...
P1121 also suggests you have a problem with the 3 way coolant valve. You might want to tackle that at the same time and then fill/change coolant
My three way valve was sticking and I had the P1121 code for a few months. I was just using Techstream to reset it and after 3-4 weeks it was...
+1 for a bad coolant control (3-way) valve. I might expect that you should find a P1121 in the ECM, but car doesn't really care about my...
p1121 is a bad 3 way coolant valve. It won't affect the car's drivability if you don't fix it. Your check engine light will remain on if the...
Welcome to PriusChat!! What device are you using to read for fault codes? What were the fault codes that you read prior to the 3-way valve...
...position sensor" issue but the whole internet says it a bad 3 way valve code for Prius. I heard about the 3 way valve issues and inverter pump...
Thank you for your input. Out of curiosity, is my engine at stake here while I drive around town doing chores? In other words, how critical is...
+1. Mine did that for a year before I replaced the valve. Never did throw a code.
It may not throw p1121 yet, but that sound is 100% from the 3 way coolant valve. When did you change the water pump? Maybe you got some air in...
...reservoir Make sure all 3 are full Did you by any chance disconnect the inverter pump when you replace the 3 way valve? And not connect it...
Holy crap I have been hearing this sound for the last three years but I have been only getting the coolant valve code for about two months. I...
