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โฝ Clean fuel, smooth ride, no compromises.
Gumout Regane High Mileage Fuel System Cleaner uses a cutting-edge triple detergent CarbonClear formula combining PEA, PIBA, and patented technology to deeply clean fuel injectors, valves, and combustion chambers. Designed for engines over 75,000 miles, it reduces friction and wear in the upper cylinder, fights ethanol and water corrosion, and prevents future carbon buildup. This universal-fit, OEM-safe cleaner restores fuel economy and engine performance in a single fill-up, making it an essential maintenance step for high-mileage vehicles.








| ASIN | B07RJ2312P |
| Best Sellers Rank | #239,321 in Automotive ( See Top 100 in Automotive ) #148 in Automotive Fuel System Cleaners |
| Brand | Gumout |
| Brand Name | Gumout |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.6 out of 5 stars 481 Reviews |
| Global Trade Identification Number | 30071948100238, 30071948101389 |
| Included Components | Fuel System Cleaner (6) |
| Item Form | Liquid |
| Item Type Name | Gumout 510023 Regane High Mileage Fuel System Cleaner, 6 oz. (Pack of 6) |
| Item Volume | 6 Fluid Ounces |
| Item Weight | 1.18 kg |
| Item form | Liquid |
| Item volume | 6 Fluid Ounces |
| Manufacturer | Gumout |
| Material Features | Clean |
| Material Type Free | Chlorine Free |
| Material features | Clean |
| Model Number | 510023W-6PK |
| Number of Items | 6 |
| Part Number | 510023W-6PK |
| Recommended Uses For Product | Fleet and plant maintenance. |
| Scent | Unscented |
| Size | 6 Fl Oz (Pack of 6) |
| Specific Uses For Product | Fleet and plant maintenance. |
| Specific uses for product | Fleet and plant maintenance. |
| Surface Recommendation | Miscellaneous |
| Unit Count | 36 Fluid Ounces |
A**R
Good cleaner
Works great for cleaning fuel system. I use it in all my gasoline cars and trucks.
L**L
Did not eliminate engine knock, but did improve it on my 2014 prius v
Backstory, I should have used fuel system earlier in my car. At about 120k, the engine started knocking, especially with the AC running. I have used predominantly Sam's Club gas, 87 octane. I never used fuel system cleaner until then (I have in my other cars, but just never did in the Prius. With the gas practically empty, I put in a bottle and only put in 4-5 gallons of gas. It definitely helped with the engine knocking. I now use it regularly (everytime the engine starts knocking again every few thousand miles.) I did originally try this on an empty tank and filled it up the tank......did not stop the engine knocking. Thus now I only put in a few gallons. Did it improve mileage....NOPE. I did not see any performance increase.
S**I
Good fuel system cleaner
Reorder additional. Package had no leakage. Great value for the price and quantity. Seems to help with my mileage at 178k, using every 3k.
A**R
Itโs ok. Better versions available
Itโs ok. Better cleaners out there
A**1
Works i think
Went from 15.7 to 17.1 mpg. Only thing i did diff was add this stuff once a month.
Trustpilot
1 month ago
1 month ago