STA-BIL Fast Fix
Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water…
Price as of 2026-06-08. Check Amazon for the current price.
Quick Decision
Price Intelligence
Is This Right For You?
- •Budget-conscious shoppers — priced below 75% of Fuel Additives
- •Risk-averse buyers — 6,630+ reviews give a highly reliable picture
- •STA-BIL loyalists — the brand spans 54 products in our database
- •Rating sits in the bottom 23% of Fuel Additives — higher-rated options exist
- •Royal Purple 18000 Fuel Injector Cleaner — 32% cheaper at $6 (Score A)
- •Lucas Oil 10003 Fuel Treatment — higher rated at 4.8/5 ($10)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: A
How It Compares
This Product STA-BIL Fast Fix | Most Popular Lucas Oil 10003 Fuel Treatment | Best Rated STA-BIL Storage Fuel Stabilizer | Best Value Royal Purple 18000 Fuel Injector Cleaner | |
|---|---|---|---|---|
| Price | $9.49 | $9.89 | $10.61 | $6.48 |
| Rating | 4.6/5 | 4.8/5 | 4.8/5 | 4.6/5 |
| Reviews | 6,630 | 24,615 | 14,291 | 3,314 |
| Mubboo Score | A | A+ | A+ | A |
Quick Specs
- Material
- Plastic
- Item Form
- Liquid
- Unit Count
- 8.0 Fluid Ounces
- Item Weight
- 0.46 Pounds
- Part Number
- 22304
- Manufacturer
- Gold Eagle Co.
- Model Number
- 22304
- Liquid Volume
- 8 Fluid Ounces
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.
- Improved engine performance and smoothness
- Effective fuel system cleaning and deposit removal
- Ease of use
- Fuel economy improvement
- Long-term fuel stabilization for storage
- High price and recent price increases
- Packaging issues during shipping
Expert Picks in Fuel Additives
- Chevron Techron Concentrate Plus Complete Fuel System Cleaner — Best fuel injector cleaner overall
- Lucas Upper Cylinder Lubricant and Injector Cleaner — Best fuel injector cleaner for diesel engines
- Gumout Regane High Mileage Fuel System Cleaner — Best fuel injector cleaner for high-mileage cars, engines and vehicles
- Royal Purple Max Atomizer Fuel Injector Cleaner — Best fuel injector cleaner for direct-injection cars and engines
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 The TRUTH About DIESEL ADDITIVES…Scam or Science? — Freedom Worx
- 📹 STOP Buying Diesel Fuel Additives - Here's Why! — The Motor Oil Geek
- 📹 Redline SI-1 vs Techron — Which One Is Actually Worth Your Money? | Fuel System Cleaner Finals — Chris from Beachside Auto Parts
Key Features
- ✦Fixes rough running and hard-to-start engines: Breaks down gum and varnish that cause rough running, hard starts, sputtering, and no-start issues in small engines, helping restore …
- ✦Cleans carburetors and fuel system: Works through the fuel system to clean carburetors, fuel injectors, and internal components, functioning as a small engine carb cleaner without …
- ✦Removes water and combats ethanol fuel effects: Helps eliminate water in the fuel system and combats the effects of ethanol-blended fuels, including E15, which can contribute to ro…
- ✦Designed for lawn mowers and small engine equipment: Ideal for use in lawn mowers, trimmers, chainsaws, snow blowers, generators, and other 2-cycle and 4-cycle engines
- ✦Easy-to-use fuel treatment: Add to fresh gas and run the engine to circulate through the system, treating up to 10 gallons and helping restore smooth operation in small engines aff…
Source: product listing on Amazon.
About STA-BIL
- 54 products in our database
- Average rating: 4.8/5 across all products
- Price range: $2 – $176.24
- Categories: Fuel Additives, Motor Oil, Pressure Washers
Other Fuel Additives
Featured in Our Reviews
Bottom Line
STA-BIL Fast Fix earns Mubboo Score A. Priced at $9 — a budget-friendly option, below the category average of $20. Rated 4.6/5 from 6,630+ reviews. Strong buy if: budget-conscious shoppers, risk-averse buyers. Skip if: rating sits in the bottom 23% of fuel additives — Lucas Oil 10003 Fuel Treatment (Score A+, $10) may fit better.
Frequently Asked Questions
Is the STA-BIL Fast Fix worth buying in 2026?
It earns a Mubboo Score of A, with a 4.6/5 rating from 6,630 reviews — better than 23% of Fuel Additives we track.
How much does the STA-BIL Fast Fix cost?
It is currently $9.49 — budget-tier pricing for Fuel Additives.
How does the Fast Fix compare to other Fuel Additives?
The category's most-reviewed alternative is the Lucas Oil 10003 Fuel Treatment (4.8/5, 24,615 reviews, $9.89). The Fast Fix carries a Mubboo Score of A vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-08) and may change.