Cost/hours to remove/replace/clean EGR cleaner/etc

Hv battery average life span is much more than 10 years. 10 years is when the risk of failure begins but the majority last longer than that. I would recommend to the OP to get an OBDII bluetooth adapter and run the Dr. Prius app to get a rough estimate of battery health.

 

Even more work and expenses for the OP now

 

OMG, $50 or less, then can repeat tests easily as desired. Grit, you better dump your 2012 Prius now before you have to do any extra maintenance.

 

Dr. Prius has 2 tests, one that shows whether the hybrid battery is functioning correctly (which I think you can figure out from Torque Pro) and one that does an estimate of battery life expectancy by fully charging the battery and measuring how long it takes to drain it under load. For example, my 2010 Prius with 100,000 miles shows about 70% reserve which is "good".

To run Dr. Prius you need a bluetooth enabled adapter with an Android phone or a wifi one with an Iphone. I'm thinking you have one of those since you are running Torque Pro. What data are you getting from Torque Pro? I haven't tried that app.

 

No doubt you have a clogged egr. Head gasket leaks often start small and only occasionally cause the startup rattle. That is an early indication when a head gasket might save it. They can go nuclear fast and possibly throw a rod through the block.

In reality, a proper leak down test and interpretation can id a head gasket leak, bad valves etc. Bubbles during the test in the coolant reservoir is a direct indication. The leak down test takes some disassembly and maybe two or three hours. Just taking out the spark plugs can be a chore on these cars.

Losing coolant in normal operation is a sure sign assuming no obvious coolant leaks exist. A combustion gas test kit for the radiator is also a fairly good indictor for a head gasket and is easy.

 

The ideal 2ZR-FXE candidate would be from an obviously wrecked 2015 Prius or a 2015-17 Prius v since these gen3s have updated pistons and rings.

The seller's ad can't be trusted when they claim it fits all Prii from 2010-17 (2016-17 std hatchbacks are gen4 engines) while the Prius c had a 1.5L. Apparently they don't id the year with the JDM imported engines.

The US and JDM suppliers are also suspect when it comes to actual mileage. I have heard of "low mileage" US engines which Carfax proved were double the miles and older than advertised.

I believe a relatively inexpensive specialist rebuild of the used engine is smart for ultimate reliability. New rings, seals, head gasket, timing belt and machined valves cost effectively since it is out already. Or just fix the head gasket if low repair cost is paramount and you don't expect to own it for another 150k miles.

 

$1000 is a good price! "IF" the mileage is what they say it is.

The block may be the same for the Gen4 engines, but the head is different.
But you could use the head off the original engine. Just have it check to make sure it's
not warped or cracked. And replace the valve guide seals to get rid of most of the oil burning.

Their place in Orlando is only 2 hours away from me. I'll make a note!

Oh, and that engine has a timing CHAIN, not a timing BELT.

 

Where did you see that on here? I have not.
Could you show the pages for that conclusion?

"IF" the head gasket is done correctly, with good parts, and you keep the EGR circuit cleaned,
it should last a few thousand miles, at least..

 

Toyota offers a gasket kit, has head gasket and pretty much everything else as well, including the valve stem seals.

 

Austin would have auto machine shops that specialize in rebuilding heads. Maybe 3-4 days.

 

Hard to find something that's not there.
Maybe several people do replace it. But "once or twice" doesn't make it first.

It seems to me, tires are the first thing. And it's more important that an antenna.

 

Good you got on it.

Is he cleaning the intake manifold too, in particular the small diameter EGR passages, one per port.

More info in post #6 link.