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4.7 out of 5 stars. 5343 reviews
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A woman outside with a dog

Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner

Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner

Item # 236893299

Stocked & Ready
Rislone Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner
Rislone Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner
$28.99


Spend $49.99 to unlock free delivery!

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Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner

Item # 236893299

Stocked & Ready
Rislone Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner
Rislone Rislone 16.9 oz. Cat Complete Fuel, Exhaust and Emissions System Cleaner

$28.99
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New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 11/8/26.

Spend $49.99 to unlock free delivery!

Shopping at

Grassland (franklin) TN

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.


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CAT COMPLETE Fuel, Exhaust & Emissions System Cleaner has high-performing detergents and heavy duty cleaning solvents that effectively scrub and remove contaminants, soot, carbon build-up, and oily residue from the fuel injectors, combustion chambers, turbo, EGR, catalytic converters, oxygen sensors and the exhaust system. These along with other active chemical agents, react with the gases created in the combustion process to remove the remaining inorganic deposits. This process restores their function and with regular use maintains efficiency.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • Turn Off Check Engine Light
  • Clear P0420 & Other OBD Codes
  • Cleans & Restores Catalytic Converter
  • Reduces Emissions & Saves Gas

Q&As

1 - 1 of 1 Question

Q: Will this clean DPF ( filter )? Get check engine light off? Restore power?

a month ago
1 Answer
  • AI-generated, Human-approved
    A: Yes, this cleaner is designed to turn off the check engine light and clear OBD codes like P0420. It restores the function of the exhaust system and catalytic converter by removing soot and carbon build-up. While it cleans the exhaust system, a specific DPF is not mentioned.
    a month ago
    Helpful?

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Reviews

Rating Snapshot

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4295 reviews with 5 stars.
716 reviews with 4 stars.
190 reviews with 3 stars.
51 reviews with 2 stars.
91 reviews with 1 star.

Overall Rating

4.7
5000 out of 5190 (96%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
Customers overwhelmingly praise this product for clearing check engine light codes, particularly P0420 and P0430, often within days of use. Most report the light turning off permanently and credit it with avoiding expensive catalytic converter replacements. Beyond code resolution, reviewers consiste...
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This summary is AI-generated from ratings and reviews across multiple languages.
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1 to 4 of 5343 Reviews .
1 – 4 of 5343 Reviews
Scottsdale, AZ
Review 1
Age65 or over
GenderMale

This product works very well

48 minutes ago
My check engine light kept coming on, and my van was due for emissions test. Went to AutoZone where they checked the diagnostics. O2 sensor showed bad. Bought this product, added to gas tank, and 8 days later took my Grand Caravan to emissions and PASSED!

Yes, I recommend this product.

Originally posted on Rislone

Henderson NV
Review 1
Age55 to 64
GenderMale

Great products

2 hours ago
I have never use this idem before. I have used there other products in the past and have had great outcome. I expect the same great results from this cleaner. I will keep using there products in the future.

Yes, I recommend this product.

Originally posted on Rislone

Columbia, SC
Review 1
Age45 to 54
GenderMale

Good overall product

6 hours ago
I've bought this Rislone - Rislone Cat Complete Fuel, Exhaust & Emissions System Cleaner a couple times, and while it didn't reset my check engine light, it did noticeably help my vehicle's performance. Even the engine knocking was improved significantly.

Yes, I recommend this product.

Originally posted on Rislone

Dallas, Texas
Review 1
Age55 to 64
GenderMale

Good for cleaning your fuel system.

6 hours ago
You have to follow the instructions carefully. If you do it will clean your fuel system and help your car run smoothly. I am a satisfied customer of this product.

Yes, I recommend this product.

Originally posted on Rislone