STA-BIL Fast Fix - Fuel Additives | Mubboo
STA-BIL

STA-BIL Fast Fix

Small Engine Treatment, Cleans Carburetors and Injectors, Fixes Rough Running Engines, Eliminates Water…

$9.49$11.50Save 17%4.6(6,630 reviews)
Mubboo Score A
Buy on Amazon $9.49

Price as of 2026-06-08. Check Amazon for the current price.

Quick Decision

Mubboo Score
A
Best For
Budget-conscious shoppers
Skip If
Rating sits in the bottom 20% of Fuel Additives
Reviews
6,630+ · reliable

Price Intelligence

📊 In Fuel Additives, this is a budget pick.
  • Budget:$7–$11← You are here
  • Mid-range:$11–$24
  • Premium:$24+

Is This Right For You?

✅ Great for
  • Budget-conscious shoppers — priced below 73% of Fuel Additives
  • Risk-averse buyers — 6,630+ reviews give a highly reliable picture
⚠️ Think twice if
  • Rating sits in the bottom 20% of Fuel Additives — higher-rated options exist
💡 Consider instead
  • Lucas Oil 10003 Fuel Treatment — higher rated at 4.8/5 ($12)

📊 Based on data analysis of 15 products in this category.

Mubboo Score: A

Quality9.2/10
based on 4.6/5 customer rating
Popularity8.7/10
6,630 reviews, top 87% in Fuel Additives
Value7.3/10
priced below 73% of Fuel Additives
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other Fuel Additives

Computed from live Amazon rating, review count, and price across 15 Fuel Additives available to US consumers · last refreshed 2026-06-08.

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
Red Line SI-1 Complete Fuel System Cleaner
Price$9.49$11.59$12.48$17.47
Rating4.6/54.8/54.8/54.8/5
Reviews6,63024,61514,2919,216
Mubboo ScoreAA+AA

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 buyers say about Fuel Additives

Themes from buyer reviews across this category — not review data for this specific model.

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.

Praised for
  • Improved engine performance and smoothness
  • Effective fuel system cleaning and deposit removal
  • Ease of use
  • Fuel economy improvement
  • Long-term fuel stabilization for storage
Common complaints
  • High price and recent price increases
  • Packaging issues during shipping

Expert Picks in Fuel Additives

thedrive
  • Lucas LUC10013 Fuel Treatment — Best Overall
  • Red Line Complete Fuel System Cleaner — Best Value
  • Star Tron Enzyme Fuel Treatment Concentrate — Honorable Mention
  • Opti-Lube XPD Formula Diesel Fuel Additive — Best for Diesel Engines
cartreatments
  • Red Line SI-1 Complete Fuel System Cleaner — Strongest PEA Cleaner
  • BG Platinum 44K Fuel System Cleaner — Professional Grade
  • CRC 1-Tank Power Renew — High PEA Concentration
  • Chevron Techron Concentrate Plus — Best for Regular Maintenance

Category recommendations from independent expert publications. Source links in References.

Related Video Reviews

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

  • 8 products in our database
  • Average rating: 4.8/5 across all products
  • Price range: $6.84$26.99
  • Categories: Fuel Additives

If not the Fast Fix, consider these

💰 Save money
STA-BIL Small Engine Pro Multi-System Additive - Protects Against Ethanol - Cleans Carb And Injectors - Improves Engine Efficiency - Lubricates Valves And Pistons, 16 fl. oz. (22305) , Red - Fuel Additives | Mubboo
STA-BIL Small Engine Pro Multi-System Additive
$6.84 · 4.6 (862)
$2.70 less than the Fast Fix, with 4.6★ from 862 reviews
Higher rated
Lucas Oil 10003 Fuel Treatment - 1 Quart - Fuel Additives | Mubboo
Lucas Oil 10003 Fuel Treatment
$11.59 · 4.8 (24,615)
4.8★ vs 4.6★ — rated 0.2 higher by 24,615 reviewers
🔥 Most popular
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz. (Pack of 6) - Fuel Additives | Mubboo
Chevron 67740-CASE Techron Concentrate Plus Fuel System
$39.98 · 4.6 (16,871)
16,871 reviews — 2.5× more than the Fast Fix
See all 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 $18. Rated 4.6/5 from 6,630+ reviews. Strong buy if: budget-conscious shoppers, risk-averse buyers. Skip if: rating sits in the bottom 20% of fuel additives — Lucas Oil 10003 Fuel Treatment (Score A+, $12) may fit better.

Buy on Amazon $9.49Last verified: 2026-06-08

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 20% 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, $11.59). The Fast Fix carries a Mubboo Score of A vs A+.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-08) and may change.