I was checking out some things on my 2006 Camry SE and thought I would take a look under the old oil cap. Guess what I found! Heavy carbon buildup to the point it almost totally blocks oil from draining past into the cylinder head. I added Auto-RX 1,000 miles ago but it was in the dark and I couldnt see [censored]! Keep in mind this car has only 22,000 miles and has been serviced ( previous owner) at the dealer its entire life. I called my local Toyota dealer and they are demanding all prooof of service for the oil changes. So they are basically going to come up with an excuse like its my fault. Typical. The dealer I bought it from in colorado is sending me the proof of service since I have only had it long enough to drive it 1,500 miles! I didnt think carbon/sludge was an issue on the 3MZ-FE????
