Does it work to fix catalyst problem

If you're having a problem with your catalytic converter, I doubt it would fix it. If the problem is being caused by clogged and inefficient injectors, it will help. Be aware, that I used this chemical with an OTC fuel injector cleaning tool, and did not pour it in the fuel tank. Using the B-12 with the OTC tool made a difference on all four of the vehicles I have cleaned the injectors on so far.

can i use this in a 13' Scion FR-S? its a gasonline- direct injection

Due to the nature and problems with direct injection it will not clean the back of the intake valve like it will in a normal engine but it would clean the injector in the direct injection engine Most engines that are not direct injected spray and it runs onto the back of the intake valve and cleans it off, a direct injection doesn’t spray the intake valve

Anybody run this in a Honda 2000 generator?

I have not but don't see why you can't I use it in my weed eater lawn mower snow blower my lawn mower has a Honda motor on it it's been running great for the years I have owned it

Is this non-flammable product?

No the product itself isn't extremely flammable but the arousal is. They make a chem dip that is works great in ultra sonic cleaners

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4 Set 0116 B-12 Chemtool Carburetor, Fuel System and Injector Cleaner, 15 Ounce, (Single Unit)

Product ID: 526182563

Details

Brand
Berryman
Manufacturer
Berryman
Number of Items
1
UPC
371993995254
Unit Count
4.0 Count

⚡100% High-Energy Solvent Technology

💧Rapid Moisture Dispersal

🛢️Dissolves Gum & Varnish Residue

Description

🛠️ Clean Fuel, Clear Code, Confident Drive!

MOISTURE NO PROBLEM - Quickly disperses moisture to prevent corrosion and maintain fuel efficiency, even in humid conditions.
COST EFFECTIVE ENGINE TLC - Save hundreds on sensor replacements by preventing check engine lights with a simple fuel additive ritual.
POWER PACKED SOLVENT ACTION - Harness 100% high-energy solvents to blast away fuel system grime and restore peak engine performance.
INJECTOR CARBURETOR SAVIOR - Keeps injectors, carburetors, intake ports, and valves impeccably clean for smoother rides and fewer repairs.
TRUSTED BY HIGH MILEAGE PROS - Proven to keep engines running clean and efficient, even past 200K miles—join the savvy drivers who swear by it.

The Berryman 4 Set 0116 B-12 Chemtool is a 15-ounce fuel system cleaner featuring 100% high-energy solvent technology that rapidly disperses moisture and dissolves gum, varnish, and fuel residues. Designed to keep injectors, carburetors, intake ports, and valves clean, it helps prevent costly repairs and check engine lights, making it a top choice for maintaining engine efficiency and longevity.

Specifications

ASIN	B0B84479BN
Best Sellers Rank	#11,435 in Automotive ( See Top 100 in Automotive ) #29 in Fuel System Cleaners
Brand Name	Berryman
Customer Reviews	4.7 4.7 out of 5 stars (51)
Included Components	4 set 0116 B-12 Chemtool Carburetor, Fuel System and Injector Cleaner, 15 Ounce, (Single Unit)
Item Type Name	4 set 0116 B-12 Chemtool Carburetor, Fuel System and Injector Cleaner, 15 Ounce, (Single Unit)
Manufacturer	Berryman Products
Number of Items	1
UPC	371993995254
Unit Count	4.0 Count
Warranty Description	Warranty

Reviews

B**S

Great product

Worked great, after a few miles of driving I could feel a difference in the power.

16.04.2026

S**S

Works great

24.08.2025

I**N

Quality product

Quality product good price

4.11.2025

R**R

Perfect for my P0402 code

My Honda is 15 years old with over 200K miles. and I get the dreaded Check Engine light with code P0402 (Cat code out of spec). You can either replace the O2 sensor or pour a can of B12 in the tank. One is $80+ and the other $4. Both keep the light out for several months. Try this 1st before you have a mechanic change you cat or O2 sensor!

20.07.2024

W**N

Great product

Why did you pick this product vs others?: I bought on Amazon because I couldn’t find it anywhere else. Great product.

15.07.2025

H**N

Great product

Does what its supposed to, not tge best but for the price is a great deal

19.04.2026

J**I

This product works

I have 2014 with touareg and after 120000 miles it started burning oil i did procedure soak over night and it worked as magic! 4 weeks in and no oil burned it used to be 1 q every 3 to 4 weeks now 0000

10.09.2025

J**5

Berryman

I bought it to clean gummed up oil controlling rings and it did the job perfectly .

27.03.2025

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