G'Day MM and welcome to the forum
There are many threads with a lot of information that will confirm your diagnostic. A bit of reading:
http://www.newhilux.net/phpbb/viewtopic.php?f=29&t=13749&hilit=smokehttp://www.newhilux.net/forum/viewtopic.php?f=81&t=23972Hopefully you have caught this before a piston has cracked or holed.
I will see if I can find the guide for injector installation if his is something you want to do your self
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