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The obvious sign was the engine overheating light coming on and lack of heat through the vents (it was wintertime). The subtle sign that I ignored...
Just to clarify, that’s exhaust heat exchanger. Coolant level dropping in reservoir, and steamy exhaust, are symptoms. OP inadvertently started a...
Thanks for sharing! I watched videos about it and you're likely right about coolant leak in heat exchanger. Very thankful dealer will handle under...
I agree. Toyota lost a lot of Prius sales by making the 4th generation so homely. Which was too bad, because it solved most of the worst...
I guess to ask, what makes you so certain it's not the head gasket? From what I've been able to discern, the 2016-2018 production models are...
Gen 4 has been getting coolant leaks in the exhaust heat exchanger, which necessitates replacement of that whole section, including catalytic...
my Toyota dealership tried to tell me i had a bad head gasket in my 2016. i took it to a private shop for a second opinion and they immediately...
Im about to this dance again on another car. Looks like the gen 4 engines jumped about 100% in price from when I did my swap. Im being told by the...
Just in case anyone reading later is wondering, the heat exchanger and the catalytic converter are both built into the front exhaust pipe, but...
After installing the bypass, the huge clouds were present until the remaining coolant burned off. even driving spirited the coolant temps are...
Long time no posts from me, because Prius just works :) but sadly it doesn't anymore :mad: It was loosing coolant (gen 4. - 2017), took it to the...
In Mexico, I'd be surprised if Gen 4s are installed with "exhaust pre-heat exchanger" - it's not on Australian cars.
Looks like, judging from this: Any Gen 4 Owners Out There With Blown Head Gasket ?? | Page 2 | PriusChat If I'm not mistaken, no 4th gen'r has...
I have got to call you out on this, ColoradoBoo. There’s no need to push your “religion” on new Prius owners. I have been participating on...
A trouble code always means, no more and no less, what the words say in the "DTC Detection Condition" box midway down the first page for that code...
Could you post a pic of the system?
Good point. It adds complexity/weight, benefit is “slightly” faster warm up, but it sure backfired (excuse the pun) on Gen 4. Gen 3’s EGR system...
I think the thermos was dropped after the gen 2. My '08 did have one and I always knew the sound the thermos pump made for a few seconds following...
congrats and welcome back! gen 4 has been pretty solid. infotainment screen quirks, windshields cracking repeatedly, leather peeling on steering...
Maybe the Gen 4 thing is a more traditional-looking transmission fluid cooler? The earlier generations definitely had the coolant in the inverter...
