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How much did you pay for that scanner?
That is what he did in post #39.
Yes, coolant in the cylinder is causing the spark plug to misfire, which causes the knocking.
The knocking is not caused by the engine struggling to compress coolant in the combustion chamber. If that were to happen, the piston rod would be...
If you lived close to me, I would help you with reading the codes. You are too far away (3 hours) for me to do that.
To narrow down the problem that you are having with the P0AA6 trouble code, you need to find out the INF sub codes. You need a scanner that can...
It sounds to me like the current problem is a continuation of the same problem you reported one year ago in this thread,...
Can you please double-check the trouble code that you are getting. Is it P0AA6?
This statement makes no sense to me. If you have two engines with the same bore size, stroke, and the compression ratios are the same, how does...
I checked my 2011 headlights this morning. Yours are like mine. I still have the OEM headlight lenses, so yours appear to be OEM.
How many quarts overfilled was it?
I do not think this is true. I own a 2011 trim III. I added an aftermarket backup camera to my car earlier this year. The car did not have a...
As written in post #4, HV ECU is the hybrid vehicle control ECU. It is shown in the wiring diagram included in post #4, [ATTACH]
I have seen reports in this forum that the new prius batteries last 5 to 6 years. The Toyota OEM batteries last 10+ years. Some last 15 to 18 years.
Bad 12v battery!
Give Tampa Hybrids a call and ask them about options to get this fixed. It is not going to be cheap.
The OP stated the tests that are not complete in post #1.
The OP only has one thread created, this one. You are confused because there are three current threads created by three different users about...
Your mileage and symptoms point to classic Gen 3 head gasket failure. You need to use a borescope to check for coolant leakage into cylinder #1...
Report what trouble codes are found.