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Sputtering

fuel injector cleaner recommendation

You should probably find out why your vehicle is sputtering and work to correct the problem instead of relying on a “mechanic in a can” solution. If you want to try this route first, BG 44K is the best available and one of very few products which actually work. It is not sold in stores (that I have seen), but through repair shops and service centers. They can put you in touch with a dealer. It runs around $30 for a 10 ounce can.