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No proportioning valve on the one I saw. There is a piston adding resistance. The device is $10. It is more breathing exercise with feedback....
Water pump if counterfeit or aftermarket [ATTACH]
I suspect the 38 year old op has either graduated and entered the real world or found another path nine years ago. He was somewhat off base on...
Then it could be the water pump or a timing chain guide problem.
Check what it is does in Ready with the engine off
A little more detail would help. If it’s still there in Ready with the engine not running I would think Inverter pump or AC compressor....
With a working fob it’s easy; without a working fob Toyota requires you to be in a certified locksmith database to initialize the immobilizer and...
Is that a misspelling in the graph text? yes it’s a joke
An aftermarket fan won’t run on high in this system if low is selected. The relay logic in low runs both fans in series which reduces each fan’s...
Clean does nothing for sticking valves or leaks.
A 401 can be caused by flow at low rpm’s when the egr valve is shut, by egr pipe leaks or by a complete egr cooler clog. The car is automatically...
If it “ran” for ten seconds or less it probably did not start the engine. The electric motor revs the engine at high speed and it sounds like a...
You either have to do the tests per the manual or take it apart for visual analysis. It certainly will not change fan speed by simply reducing...
The West Coast guys offer questionable advice on this subject. $15 down the drain. Even soaking a cat removed from the car does not work.
My fans rarely engage if I don’t have AC running. If you are not measuring temp you are guessing. Driving with high temps is a sure way to blow...
Buy a lithium jump pack. Those lead acids don’t last nearly as long.
Back in 2016 it was not easy but now you can get some.
He is asking if the fan speed control, using the knob does anything.
Techstream and some Bluetooth scanners can read it. Here is Car Scanner app on its initial screen [ATTACH] Same app on ECU Identifiers screen...
I have had four Toyota hybrids since 2008 with combined drivng in South Texas heat and 85 mph freeways of greater than 500,000 miles. I have...