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
ATS Chemical

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

$51$52.954.5(1,059 reviews)
Mubboo Score 3.2/10
  • 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.
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Mubboo Value Score: 3.2/10

Quality9.0/10
based on 4.5/5 customer rating
Popularity0.4/10
1,059 reviews, top 74% in Fuel Additives
Value0.2/10
priced below 2% of Fuel Additives

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 ChemicalLucas Oil (Leader)
Price$51$9.89
Rating4.5/54.8/5
Reviews1,05924,615
Mubboo Score3.2/109.0/10

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

Well reviewed — reliable rating

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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