Now people are confusing Crappy designed cans..... with this do nothing light... If your sled is sputtering and backfiring... it has NOTHING to do with the re-flash. AGAIN... this will NOT throw your enginge into a limp mode nor will it adjust ANYTHING. If your sled is backfiring and bogging its probably becuase you didnt listen to any of the 9000000 posts on here about what cans are PROVEN to work and the sensor is in a goofy spot or something. The re-flash will make that light go away it will NOT make your sled stop running like a dumpster becuase you put "bills backyard brapper" can on becuase it warms up your pre-cooked bacon.