
ATS Chemical 505 CRF Fuel System Treatment - 16 oz Powerful Carbon & Injector Cleaner for Gasoline & Diesel Engines - Help Boost MPG, Restore Power, & Reduce Emissions - Easy Pour Bottle
- A fuel system treatment that actually works!
- The 505CRF formula is proven to remove tough carbon deposits on port style injectors, and direct style injectors.
- Removes harmful deposits on induction ports, and induction valves.
- Treats 5 to 20 gallons of gasoline or diesel fuel.
- Helps restore your vehicles factory fuel economy & performance.
Mubboo Value Score: 3.2/10
How it stacks up
Rated 4.5/5 — better than 4% of 53 Fuel Additives we track. Premium-tier pricing at $51.
Head-to-Head vs Category Leader
| ATS Chemical | Lucas Oil (Leader) | |
|---|---|---|
| Price | $51 | $9.89 |
| Rating | 4.5/5 | 4.8/5 |
| Reviews | 1,059 | 24,615 |
| Mubboo Score | 3.2/10 | 9.0/10 |
The category leader Lucas Oil 10003 Fuel Treatment - 1 Quart offers better ratings at $9.89.
Quick Specs
- Model
- 505CRF Fuel System Treatment
- Item Weight
- 1.08 pounds
- Manufacturer
- ATS Chemical
- Customer Reviews
- 4.5 out of 5 stars
- Best Sellers Rank
- #3,641 in Automotive (See Top 100 in Automotive)#20 in Fuel Additives
- Item model number
- DSI1030
- Product Dimensions
- 2.6 x 2.6 x 7 inches
- Date First Available
- March 16, 2024
What reviewers 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.
Rating reliability
Other Fuel Additives




Frequently Asked Questions
Is the ATS Chemical ATS Chemical 505 CRF Fuel System Treatment - 16 oz Powerf worth buying in 2026?
It earns a Mubboo Score of 3.2/10, with a 4.5/5 rating from 1,059 reviews — better than 4% of Fuel Additives we track.
How much does the ATS Chemical ATS Chemical 505 CRF Fuel System Treatme cost?
It is currently $51 — premium-tier pricing for Fuel Additives.
How does it compare to the top-rated Fuel Additives?
The category leader Lucas Oil 10003 Fuel Treatment - 1 Quart offers better ratings at $9.89.
Sources & References
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