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Mobil1 Advanced Fuel Economy oil really does work
i did a few oil changes with some mobile1 advanced fuel economy on my aveo. well last oil change, i used just plain mobile1. ive noticed a big drop in my mpg.
i was getting around 31-32.5 mpg.
now i was getting 25-27 mpg.
i just changed my oil yesterday back to the advanced fuel economy and im already noticing a big increase in my mpg. when this tank is empty, well find out what ive got.
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