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My fuel log told me that using Lube Control FP Plus helps my gas mileage.
Don't use it MPG went down at least 1 mpg.
My fuel log also told me that a gas station by me had changed suppliers and I noticed in two tanks that I should not use their gas anymore.
Went back to name brand Exxon and Sunoco and I get top gas mileage again.
Never would have known if I hadn't started writing down my fills and miles and getting my mpg per tank.
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