ATS Chemical 505 CRF Fuel System Treatment
16 oz Powerful Carbon & Injector Cleaner for Gasoline & Diesel Engines - Help Boost MPG, Restore Power, &…
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$3–$10
- Mid-range:$10–$26
- Premium:$26+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in Fuel Additives
- •You're on a tight budget — $31 above the category average of $20
- •Rating sits in the bottom 4% of Fuel Additives — higher-rated options exist
- •Chevron 67740-CASE Techron Concentrate Plus Fuel System offers a better rating (4.6/5) at a similar or lower price ($40)
- •STAR BRITE Star Tron Enzyme Fuel Treatment — 57% cheaper at $22 (Score B+)
- •Red Line 60103 SI-1 Complete Fuel System Cleaner — higher rated at 4.8/5 ($31)
📊 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 2026-06-03.
How It Compares
This Product ATS Chemical 505 CRF Fuel System Treatment | Most Popular Chevron 67740-CASE Techron Concentrate Plus Fuel System | Best Rated Red Line 60103 SI-1 Complete Fuel System Cleaner | Best Value STAR BRITE Star Tron Enzyme Fuel Treatment | |
|---|---|---|---|---|
| Price | $51 | $39.98 | $30.99 | $21.99 |
| Rating | 4.5/5 | 4.6/5 | 4.8/5 | 4.7/5 |
| Reviews | 1,059 | 16,871 | 9,236 | 3,273 |
| Mubboo Score | B- | B+ | B+ | B+ |
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 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
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
- ✦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.
Source: product listing on Amazon.
If not the 505 CRF Fuel System Treatment, consider these
Bottom Line
ATS Chemical 505 CRF Fuel System Treatment earns Mubboo Score B-. Priced at $51 — a premium option, above the category average of $20. Rated 4.5/5 from 1,059+ reviews. Strong buy if: buyers who prioritize quality over price in fuel additives. Skip if: you're on a tight budget — Chevron 67740-CASE Techron Concentrate Plus Fuel System (Score B+, $40) may fit better.
Frequently Asked Questions
Is the ATS Chemical 505 CRF Fuel System Treatment worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.5/5 rating from 1,059 reviews — better than 4% of Fuel Additives we track.
How much does the ATS Chemical 505 CRF Fuel System Treatment cost?
It is currently $51 — premium-tier pricing for Fuel Additives.
How does the 505 CRF Fuel System Treatment compare to other Fuel Additives?
The category's most-reviewed alternative is the Chevron 67740-CASE Techron Concentrate Plus Fuel System (4.6/5, 16,871 reviews, $39.98). The 505 CRF Fuel System Treatment carries a Mubboo Score of B- vs B+.
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 (2026-06-03) and may change.