Molecure Pea Complete Fuel System Cleaner 12 oz
High-Strength Fuel Injector, Intake Valve & Combustion Chamber Cleaner | Restores Power & Fuel Economy | All…
Price as of 2026-06-01. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$3–$10
- Mid-range:$10–$26← You are here
- Premium:$26+
Is This Right For You?
- •Shoppers looking for Fuel Additives from Molecure
- •Rating sits in the bottom 23% of Fuel Additives — higher-rated options exist
- •Lucas Oil 10003 Fuel Treatment offers a better rating (4.8/5) at a similar or lower price ($10)
- •Royal Purple 18000 Fuel Injector Cleaner — 59% 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: B-
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 53 Fuel Additives available to US consumers · last refreshed 2026-06-01.
How It Compares
This Product Molecure Pea Complete Fuel System Cleaner 12 oz | Most Popular Lucas Oil 10003 Fuel Treatment | Best Rated STA-BIL Storage Fuel Stabilizer | Best Value Royal Purple 18000 Fuel Injector Cleaner | |
|---|---|---|---|---|
| Price | $15.74 | $9.89 | $10.61 | $6.48 |
| Rating | 4.6/5 | 4.8/5 | 4.8/5 | 4.6/5 |
| Reviews | 107 | 24,615 | 14,291 | 3,314 |
| Mubboo Score | B- | A+ | A+ | A |
Quick Specs
- Item Weight
- 11.7 ounces
- Manufacturer
- Molecure
- Customer Reviews
- 4.7 out of 5 stars
- Best Sellers Rank
- #11,998 in Automotive (See Top 100 in Automotive)#36 in Fuel System Cleaners
- Product Dimensions
- 9 x 2.25 x 2.25 inches
- Date First Available
- September 9, 2025
- Manufacturer Part Number
- FST12
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
- ✦HIGH-STRENGTH PEA FORMULA — CLEANS WHERE CARBON BUILDS UP MOST: Polyether-amine (PEA) is the only fuel additive chemistry proven to dissolve hardened carbon deposits in direct-inje…
- ✦RESTORES THROTTLE RESPONSE, REDUCES HESITATION & ENGINE KNOCK: Carbon deposits restrict airflow, disrupt fuel spray patterns, and create hot spots that cause knock and pre-ignition…
- ✦SUPPORTS BETTER FUEL ECONOMY & ACCURATE FUEL GAUGE READINGS: Clogged injectors deliver uneven fuel spray, forcing the ECU to run richer and waste fuel. Clean injectors atomize prop…
- ✦SAFE FOR ALL GASOLINE ENGINES — INCLUDING GDI, TURBO & HYBRID: Compatible with port fuel injection (PFI), gasoline direct injection (GDI), turbocharged, and hybrid powertrains. Saf…
- ✦POUR AND DRIVE — 12 OZ TREATS UP TO 20 GALLONS: Add one bottle to a near-empty tank (~¼ full), fill up, and drive 15–20 minutes at highway speed. No tools, no draining, no mechanic…
Source: product listing on Amazon.
About Molecure
- 3 products in our database
- Average rating: 4.6/5 across all products
- Price range: $15.19 – $24.69
- Categories: Fuel Additives
If not the Pea Complete Fuel System Cleaner 12 oz, consider these
Bottom Line
Molecure Pea Complete Fuel System Cleaner 12 oz earns Mubboo Score B-. Priced at $16 — a mid-range option, below the category average of $20. Rated 4.6/5 from 107+ reviews. Strong buy if: shoppers looking for fuel additives from molecure. 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 Molecure Pea Complete Fuel System Cleaner 12 oz worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.6/5 rating from 107 reviews — better than 23% of Fuel Additives we track.
How much does the Molecure Pea Complete Fuel System Cleaner 12 oz cost?
It is currently $15.74 — mid-tier pricing for Fuel Additives.
How does the Pea Complete Fuel System Cleaner 12 oz 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 Pea Complete Fuel System Cleaner 12 oz carries a Mubboo Score of B- 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 (2026-06-01) and may change.