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Bingo! I think the engine is overheating, which is causing the coolant to boil, and you see "air" pockets being pushed through the hose back to...
What brand engine water pump did you buy and install last year? What brand engine water pump and thermostat did you buy and install last week?...
The description for trouble code C1239 is "Foreign object is attached on tip of rear speed sensor LH".
Did the dealership tell you the trouble codes that they found? Did you read the trouble codes and confirm that they are the same as what the...
Read post #1 again. The dealership only did the diagnostics. The OP replaced both batteries himself.
The tag in the picture is for the Maxx 51 size battery (500 CCA) which is a different battery from the Prius size S46B24R battery (410 CCA) on the...
Take a look at post #4 & #7.
The picture of the scanner shows the P0401 as permanent, which means it is not current. The permanent code will eventually clear, so it looks like...
The battery cooling fan turns on the highest speed when certain hybrid battery trouble codes are triggered like P0A80. The first thing to do is...
Did you measure the battery voltage before you charged it? Did you try starting the car after you charged the 12v battery?
How old is your 12v battery? Measure the voltage of the 12v battery when the car is off. Do you own a 12v battery charger? Is so, connect it to...
No. Stay far away from a Gen 3 (2010 to 2015) Prius unless you are a DIYer who can replace a head gasket, traction battery (also called the hybrid...
The traction battery that you installed is bad. I hope you have a warranty. The Dr.Prius screenshot that you posted shows a 0.43v voltage...
No, fixing the C1391 & C2124 codes will not clear the P0A80 permanent code. Yes, read post #30 to #36 in this thread:...
Personally, I would only purchase an OEM water pump. They are made by AISIN for Toyota. Do not buy a cheap generic pump unless you want to change...
Read the trouble codes using a scanner.
Yes, I would change the engine water pump ASAP. After you remove the old water pump, try spinning the impeller by hand. Is there resistance to it...
Has the high temperature light on the dash ever come on when you were driving the car? Check around the plastic coolant tank for any evidence of...
Yes, that is correct. I do not think so. A bad water pump probably is not related to your not being able to start the car. I would fix the...
You can buy the water pump impeller from Amazon or eBay for $25 to $30. You should also buy a new water pump gasket.
