A few things can cause this. When you drive the truck, do you make short trips or long ones? Also, have you kept the oil changed on a regular basis? Has the check engine light ever come on? Also, how many miles do you put on the truck for it to use a quart? Keep in mind, if fuel is mixing with the oil, it thins out and can get past the rings and burn in the combustion chamber.
Let me know.
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Friday, November 6th, 2009 AT 12:10 PM