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I know mamy of you might think snake oil. But i am sure some of you have seen improvements on mpg. Let me know what you use
 

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There is a guy on youtube called chrisfix. He tested a bunch of fuel system cleaners and posted the results. I'll throw a bottle of injector cleaner in my tank every once and a while, but I haven't really noticed anything, and I don't have a brand preference.
 
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