I have had my Mitsu Sport since I bought it new in 98. It now has 150,000 miles on it and i am getting this knocking from the engine(sounds like pistons rubbing) when i first start it up. The knocking goes away after about 3 min or so and then it runs great. I was told to use a heavier weight oil, that didnt work. I was told to try some Lucas with next oil change, that didnt work. I am being told know by this person and that person that it could be the oil pump or I might need a new engine. I dont think it neds a new engine. Anyone have this problem with their 98 Sport? Anyone have any suggestions?

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