Gumout 510013W-6PK Fuel System Cleaner, 6 Pack

Car runs better.

one bottle and my engine has new life again, feels like a new vehicle and is good for 3,000 miles, i`ll most likely use one more bottle on my next fill, definitely does what it claims to do,highly recommended

Great price for a good product. Came on time and will more than likely purchase again in the future.

I feel confidant that using this product in my truck will help keep it running efficiently and with the most horse power that it can muster. A clean engine is a reliable engine.

The Gumout 510013 High Mileage Fuel Injector Cleaner is a solid choice for maintaining the performance of high-mileage vehicles. The pack of six 6 oz. bottles offers good value and ensures that I have enough product for multiple treatments.Using this fuel injector cleaner is straightforward. Simply pour it into the gas tank before refueling, and it gets to work. I noticed an improvement in engine performance and smoother idling after just a couple of uses. It seems to effectively clean the fuel injectors and other critical parts of the fuel system, which is especially important for older vehicles.One of the key benefits is the enhancement in fuel efficiency. My car’s mileage has shown a noticeable increase since I started using this cleaner, which is a great plus for anyone looking to save on gas.The only reason I didn't give it five stars is that the improvement, while noticeable, wasn't as dramatic as I had hoped. However, for the price and ease of use, it's still a highly effective product that delivers on its promises.Overall, the Gumout High Mileage Fuel Injector Cleaner is a reliable product that helps maintain and improve the performance of high-mileage vehicles. It's easy to use and provides noticeable benefits in terms of engine smoothness and fuel efficiency. I would definitely recommend it to others looking for a cost-effective way to care for their older cars.