First time Prius owner!

Welcome to PriusChat... We can help you fix most anything if your or a friend or family member have DIY car repair skills. First step is getting an easy to use OBD tool so you can monitor hybrid battery health and read and clear error codes using Dr. Prius App. Here's Buyer's guide: Hybrid battery diagnostic and repair tool for Toyota and Lexus

Hopefully you can get all those error codes addressed and cleared and bring it back in and get your smog certificate...

 

I would be very concerned that it has an after market catalytic converter. There is a huge theft issue with G2 cats being stolen they are worth alot of money. I just sold mine for $1350.

It would not surprise me if previous owner sold the cat off your car and installed a $125 after market cat that will fail a Ca Carb Emissions test. pretty nefarious. They actually check the model number on the 2 cats in your state after market cat is a fail.

Go on youtube and search

Prius stolen

lots of Ca cat theft tubes.

OEM cat is $1551 plus install.

 

congrats and welcome!
sounds like you got a keeper!

 

thats cold dude..lol...

 

It means the inverter fluid was never changed. Replace that pump with a factory pump and new fluid and check that important and very common failure off your list.

Then start watching the 12 volt battery. 12 volt battery issues are the #1 post on this site. Never ever mess with the 12 volt battery in the trunk do all your voltage testing and jumping if need be and charging at the front jump point under the hood in the black fuse box.
Check the 12 volt battery voltage at the front jump point first thing in the am before starting the car. By testing that the front jump point you are checking the voltage through 8 connections and the big long cable before it even hits the front jump box.
A healthy Prius g2 battery lives at 12.6 volts with car off. Anything lower than that the battery is suspect. Should be maintained and watched especially if just bought car it could have sat for a while not driven they need to jump it to sell it and now its on its last legs.
Read the owners manual.

Many Prius start to eat engine oil as they get older especially if dealer oil change maintained. This car takes 3.9 quarts of oil with dry filter.
use 5-30 synthetic oil like Mobil 1 buy at Walmart 5 quart jug $24.95.
Keep the oil at the full line always. Check the oil first thing in the am before starting car. Do not pull into gas station and check the oil it will show much lower than it really is.

Replace the fan belt on the front of the engine. Its way over due. That belts only job is to turn the engine water pump. belt fails falls off engine overheats you will never know till the check engine light comes on and engine way into overheats possible cylinder head damage.
The car has no engine temp gauge. Change the belt now.

Take the air filter box off the throttle body. See how dirty the bore is. the level of gunk in that bore is a direct reflection of what kind of oil was used in the cars life. Dealer?...it will be nasty. privately maintained with good oil= pretty clean.
Either way good time to clean the bore.

Any other questions use the search forums link up top.

For throttle body search:

throttle body

for inverter pump search that hundreds of posts on how to do it. same with belt.

 

I don't know California smog regs but it sounds as if the "check engine" light is inoperative - isn't that something that the seller should take care if? (I have never seen this light (LED type) fail on a modern car- makes me wonder if it was deliberately disabled).

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Given what information the the OP has provided- what makes you assume the cat was replaced? They did take it for inspection and it failed for codes present and inoperative MIL- no mention of an incorrect cat.
Ok- it has a code for the downstream O2 heater, doesn't automatically mean it has a replacement cat.
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Yes those are normal numbers... But what you're looking for is the hybrid battery error codes and sub-codes that got stored when your dash lights came on. Once we know that info we can talk about next steps.

Dr. Prius app has a section called "special features" that will read hybrid battery error codes.

 

Please update us tomorrow with as much detail as possible about how the smog inspection goes and we'll be way better able to help.

 

Removing, cleaning and inspecting O2 sensor where your Catalytic Converter is your first step... Sometimes, though rarely, that can be the problem. The most expensive repair is the catalytic converter replacement... And sometimes if you put in new spark plugs, new air filter clean mass air flow sensor and throttle body you can get rid of this problem.

But at this point you might want to contact person you bought vehicle from and see if they offer up any options?

 

The chances of passing a smog check immediately after resetting codes is about 0%. That's why those test cycles are showing as incomplete. The car has to go through a certain specific set of cycles, without throwing a code, before the car will show those tests as being complete.

Don't give up on the car yet. Assuming there aren't any other hidden problems, nothing you have listed in insurmountable. There's a chance it may need a new O2 sensor and the P0A11 may need a bit of sleuthing, but nothing I would be afraid of. A 108k mile car for 3k isn't a bad deal at all, if it's in good shape. A few minor repairs are no big deal. If there are annual dealer records all the way through 2018, then its very likely the car was well maintained.

When you first attempt to start the car, the check engine light should illuminate as a test to verify the light is working. Does this happen?