Ok couple of things I am wondering is the pipe you are talking about on top of the valve covers or does it go down toward the exhaust manifold. Also is it a turbo or N/A because they dont really have alot of metal pipes on them besides the pcv pipe on top of the valve covers and it connects to the throttle body and the egr pipe heads down to the exhaust manifold and connects to a little screw in bung on the exhaust manifold. as for the other things is the ticking kinda quiet or really load could be a just your injectors ticking which is not much to worry about or if its load real problems. for the smoke if it is your pcv pipe that would explain it there is too much crankcase pressure and it is pushing oil into the combustion chamber from the bottom. but this would also cause a idle up problem too. if you can take a picture of what you got and it helps a little more when finding the problem and also I would recomend what I did buy a toyota shop manuel for your car it costs like 60 something and a great resource. it gives very good pictures of everything and troubleshooting.
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