Quote:
Originally Posted by serialk11r
Early model 1ZZs are notorious for burning oil and destroying cats and such, because the oil passages are small, and the piston oil ring had a design flaw. My 1ZZ burns a quart every 1500 miles or so, and the previous owner + me combined have had to change out 4 O2 sensors probably because the soot from the oil destroyed them.
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Do you REALLY think this engine did the described burning "a quart every 1500 miles or so" from the day when it was new?
Do you think that this is due to the design of the engine, or that it's due to its age (and/or possible abuse)?