Even though the engine is 13 years old but has low hours it could just be that the rings are gummed up and sticking in the groves and not doing their job properly. Before you consider pulling the engine apart for a ring replacement and bore hone, you could try this procedure.
Remove spark plugs and pour some engine flushing product like Wynns or Nulon into each cylinder. Turn engine over by hand to distribute the flush around the pistons and allow to sit for a day or so turning the crank occasionally and adding small amounts as the flush drains past the rings. The flush should soften any build-up of gum around rings and the bore. Before replacing plugs use a torch to see that there is not excessive flush sitting on top of pistons. If so wind over with starter to blow out excess. Replace plugs and put any remaing flush in sump and then fast idle engine until hot and then drain and replace oil and filter (if one fitted).
However if rings are badly worn there may not be much improvement and it is possible the oil use will increase. The cylinder with the badly fouled plug may also have a broken ring/s. Oill changes should be done every year or after 50 hours running, whichever comes first.
Let me know how you get on by posting a comment. Myki R
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I tried the stuck rings solution but no luck. So now I am pulling the motor and checking the head gaskets next. Thanks!
If the engine still has the blowby as stated in your first post it would probably be advisable while you have the heads off, to remove the pistons and replace the rings and have the cylinder bores honed properly. You should then have eliminated your excessive oil consumption problem.
I did the head gaskets only and the problem was solved. Thanks!
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Hi; I tried the stuck rings solution but no luck. I am going to pull the engine and check the head gaskets as that is apparently a common cause for oil consumption for this engine.
SVSassona56
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