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...started looking at the whole charging system and found the 3 way valve was failing and leaking, the inverter pump was also failing pushing very...
By 'my water valve', do you mean the 3-way coolant flow control valve (CFCV)? How have you determined that there is 'no power' going to it? It...
Checked the nozzle, doesn't seem to be clogged. Does the 1 pump drive the front and back washers? Maybe I'll check the 3-way check valve under...
...can ignore that code until convenient. do some more googling, is that the 3 way valve? i would certainly check the coolant level 'in the...
3 way valve does not require belt removal. Just detach hoses and install new unit, refill coolant after. No danger in driving it until you're ready
Update, used heater this morning, set to high fan because it was cold. Check engine light is no longer on. I’m guessing the P1121 code for the 3...
There are you tube videos of people changing out this 3-way coolant control valve. Some of them do an excellent procedure. Luscious garage has a...
From your comment, are you saying the valve in this state is not an issue until I have a check engine light?
Some 3-way coolant control valves fail with that constant noise; the valve is trying to get into the right position, thus the constant noise. IF...
I would assume this turns into a 2-port valve so the heater core (I think you might call this a "Heater Matrix") can be switched off, is this...
Hi! Replaced the 3-way valve & inverter pump. Anxious about possible air in system. Asked in a big thread dedicated to coolant control valve...
I agree that determining why the radiator fans do not operate is a top priority, since overheating will destroy the inverter, if ignored (albeit a...
JC91006, Thank you so much! Are you certain of this? I have not had any check engine lights, and the car seems to be running efficiently. What...
You have all kinds of faults, I would suggest you replace the 12v battery if you haven't done so. Then replace the inverter pump AND 3 way...
I'm not sure what the dealer meant by coolant regulator valve. My guess is the 3 way valve and that failure doesn't cause the red triangle to come on
Since you are changing out the 3 way valve, just drain the system and add new coolant. Toyota recommends the coolant be changed at 100k miles and...
No problem sharing the receipt if wanted. Just private message me with an email address to send the receipt as a PDF. However, I still foresee...
...Suddenly this winter had zero cabin heat. Heater hose from 3 way valve not hot. After some investigation, no blockage thru heater core.. so...
A failed three way valve has no significant impact on the engine or drivetrain. Its purpose is to switch the flow of hot engine coolant between...
