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Yes, the inverter on the Gen 3 has more problems than the Gen 2. The Gen 2 inverter is very reliable. The brake actuator is a problem on both...
A Gen 3 Prius is known to have four major problems that are costly to fix: 1. Head gasket failure. Cost to fix at dealer is ~$3500 or ~$2300 at...
Did you buy the car new or used? I am asking to determine if the water pump you took off was the original OEM pump or was it an aftermarket pump?...
Stay away from the Gen 3 Prius. If you truly want a Prius, look at a Gen 4.
Out of curiosity, did you change the engine coolant at 100k miles per Toyota's recommended schedule?
It could be the head gasket starting to fail. There are hundreds of threads in this forum concerning the head gasket problem on these Gen 3...
How many miles on the car? 99% sure it is a bad head gasket!
Very doubtful. When the car is running (in ready), the 12v system in the car is powered by the DC/DC converter, which is located inside the...
How old is the 12v battery?
Take a look at this recent thread about coolant loss: https://priuschat.com/index.php?posts/3496635
What water pump and thermostat did you buy? OEM or aftermarket? I hope you got OEM. If not, you may be replacing it again in about one year.
That is a very good question. When the engine water pump goes bad on this engine (not enough coolant flow through the engine), the engine...
Did the mechanic give you the codes? If so, list all of them so that we can give our opinion on what needs to be done to fix the problem. You can...
First check the engine coolant level in the plastic reservoir on the passengers side. The level should be near the seam in the tank. You should...
Each dealership is different. Why not call your local dealer and find out for yourself?
Yes, you should be very concerned about the diagnoses of a HV battery replacement. The dealer apparently did not go through the troubleshooting...
I agree with you 100% with your statement. When the head gasket fails on these engines, the loss of coolant goes into the cylinder and cause...
I believe that the hybrid battery needs to be at 70F or warmer for the test to complete successfully. Try doing the Life Expectancy Test. You do...
Ask for the old water pump to be returning to you. Try to rotate the impeller. How easily or hard is it to spin? Try to pull the impeller off the...
I disagree with you. The most probable fix to this problem is to replace the engine water pump. Let's see what happens after the OP replaces...
