If it used a quart of oil every 1,000 miles before, but now it's down to a quart every 500 miles, that would be an increase in oil consumption. You might not be able to tell right away, but in time it would become obvious. If the exhaust smoke is blue and smells like burning oil, then that's also an indication of an oil control problem. If the exhaust is more black and burns your eyes, then that's an indication of a rich running condition. Here's an article that explains how to read codes: http://www.toyotavantech.com/forum/c...vice-Connector.Originally Posted by ToyotaVanNut
Hi Tim! Thank you so very much for your reply and I apologize for being late on mine. When you asked "Has oil consumption increased," how exactly would I be able to tell if it has?
Also, what exactly are the trouble codes and how do I check them? If my o2 sensor is failing, can I replace it, or is that where I should start? Thank you so very much again!!
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