
Ratings & Reviews for Mechanic In A Bottle 8-oz 2-cycle or 4-cycle engines Fuel Additive
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this fuel treatment for reviving small engines that wouldn't start after storage or fuel degradation. Most report engines firing up instantly after just a few pulls, with many avoiding costly carburetor cleaning or replacement. Reviewers consistently describe improved smoothness, full power restoration, and sustained performance. Several use it as preventive maintenance for seasonal equipment. A small number report no improvement, typically involving severe mechanical damage or improper application. Overall, customers strongly recommend it as a practical, cost-effective solution for engine maintenance.
Customer review summary generated by AI, including incentivized reviews.I've used it several times to clean fuel gum out
Would RecommendHelped me get a chainsaw started after a year of non use.
Verified Purchaser
Money saver
Would RecommendHow well it works, only a few minutes and the engine was back to normal.
Verified Purchaser
Good product
Would RecommendTried it on a poorly running blower. Unfortunately the blower had a mechanical problem, bad part, and was beyond capabilities of product. Also used in mower and it runs smoother.
Verified Purchaser
Good for cranky lawnmower
Would RecommendPrior to using this, the lawnmower kept conking out. This fixed it right away.
Verified Purchaser
Does not work as advertised
Would Not RecommendMfg claims it cleans carburetors without the need to remove the carb. I followed the directions and it did not work. On a 2nd attempt, I again drained all chemicals from the fuel system, performed a second treatment with additional time, and found this product did not clean the carb (engine would NOT start). As a last result, I brought the engine to the Lowes repair center. They said the carb only needed a light cleaning and were not surprised to hear this product did not work. I highly recomm...
Verified Purchaser
Good product does what it claims.
Would RecommendThis product did exactly what it claimed to do. My chainsaw would not run with any power and after running a tank of fuel with this added to the fuel it now runs with full power and starts more easily.
Verified Purchaser
This product works!
Would RecommendIt really worked. Easy to use. Mower is running like brand new
Verified Purchaser