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Yes, LED low beams will help. It is not difficult to clean the oxidation off the headlight lenses. You will need to do it every year or two to...
At 198k, I would replace the engine water pump with a Toyota OEM pump. Use new coolant when you install the new pump. How long have you owned the...
Just today, a second owner reports a destroyed engine. https://priuschat.com/index.php?posts/3503611
What year is your Prius? How many miles on the engine? How long have you owned the car? Fill up the engine coolant and see if the trouble code...
In post #54, you said that you were buying a new Toyota OEM water pump. Is that what you just installed? Sorry I did not see your post #28, if I...
No, the speed sensor wiring should not cause this problem. If I remember correctly, it is an electrical corrion problem on a module inside the...
A Gen 3 Prius only has an oil pressure switch. The oil switch is either open or closed, so a scanner will not tell you anything more than what the...
For your situation, the Dr Prius app is not the best scanner to use. You need a scanner that can read ALL the trouble codes in your Prius. The Dr...
See post #99 in this thread: https://priuschat.com/index.php?posts/3424917
Are you responding to post #28 or post #29?
Tell everyone what IS the correct way to test a 12v battery for a Prius.
See this similar thread created by the OP that you already responded to: https://priuschat.com/index.php?posts/3503011
When my 2011 Prius 12v battery is reading 11.8v, my car goes to "READY." I believe I have read that it can go to ready as low as 11.5v.
What is the voltage of the 12v battery when the car does not start? How old is your 12v battery?
Yes, I was comparing the c to the Gen 3 hatchback. I have no experience with a c and usually do not read or post in this Prius c forum. Thanks...
The first thing I would do is replace the 10 year old 12v battery.
Are there any warning lights or messages showing on the dash?
The first thing to do is read the trouble codes. It sounds like your car has a couple of unrelated problems.
The C1259 code and the C1310 (correct description is Malfunction in HV System, not Active Booster Solenoid) code just means that there is a code...
Monitor the coolant temperature. Then you will know if it is a water pump problem.