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B-12 Chemtool Fuel System Cleaner, 15-oz.

Brand

Recommended Use

Volume Capacity

Size

Is Bulk

Berryman B-12 Chemtool Gasoline Fuel Treatment 15 oz.

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Price

Engine

Injectors

Value

Performance

Tank

Acceleration

Ring

Cleans and lubricates fuel system components.

Offers lower cost compared to similar products.

I've been using B12 for 4 years now it's always helped my cars out with improving gas mileage and overall performance. I recently bought a car with 2 check engine codes for rough idle and catalytic converter. After I put a can of this stuff in my tank and drove it 100 miles the check engine light turned off, and both codes were gone. It saved me a lot of money! I highly recommend it. I just wish they'd keep it at this price because it has been going up a lot over the last year.

Great stuff!

walmart.com

At 263,000   miles, my usually smooth inline 6 cyl, 4.0L engine started idling rough and using more fuel.  Based on a tip, I got this stuff and used two cans for the first fill-up and then a can per tank for three complete fill-ups.   Apparently, the fuel injectors needed some love and this product actually worked.  Now I use one can every oil change.  It's weel worth the price.

263,000 mile 4.0L Jeep engine.

This is the only product that I've seen with my own eyes that works. Many years ago, I pulled the heads off of a Chevrolet and they were clean along with the top of the pistons. I asked what they used and they said Berrymans B12 just before an oil change.

For years I have been using Berryman's B12 for routine maintenance and deep cleaning. Where I currently reside it gets pretty cold for a few months out of the year, people Park there carbureted toys for several months and call me up wondering how much it's going to cost them to make it run right again and I tell them about $10. What you need to do is throw in a can of this stuff right here and fill your tank with some premium fuel and let it work its magic. This stuff will absolutely clean up any residual residue from bad quality fuel or gas that sat all winter. You can also use it for preventive maintenance like adding it to your tank before you plan on storing it to act as a fuel stabilizer or simply pour in a can a few times a year to keep your fuel system sparkly clean. Other brands like Seafoam have national recognition for their long-standing reliability but this stuff works just as well if not better at half the price.

Magic bullet right here.

If you're looking to perform a carbon cleaning on a direct injection engine, this is the stuff you want to use. Close the valves, fill up the ports with B-12 and let it sit for a little bit. Scrubbing out the carbon couldn't be easier. 100% Recommend. Performed on my 2008 VW Toaureg. 

I also use this monthly in all my vehicles now due to it's performance.

Great for Carbon Cleaning!

The Pop ring broke so it didn't open too easy but the product itself took the rough idle right out before half a tank was gone on a 96,000 city mile engine.

Very good product. Just need to let it set for while to clean up all the build up! It works, I'm a Machanic and couldn't see that the carbon build up on the scope. I put it in and ran it for twenty minutes and let it set and next day did the same and did it again. My car is now not smoking

This product performed extremely well on an old Camry. My car was emitting blue smoke from exhaust. Used this product, changed spark plugs, and wiring set, and my car was great afterwards! 

Make sure you follow directions when using it. I will use this product again!

Awesome Fuel Injector and Carburetor Cleaner!

...if only temporarily.  It won't replace a trip to the mechanic, but it got a stubborn reoccurring check engine light to go away before I had to get me vehicle smogged.  This stuff is great.

I got check engine light to go off with this...

My vehicle was using to much fuel and i suspected a leaking fuel injector, added to can to a fuel tank of gas and this cleaner worked within 20 miles. Mileage inproved from 19 mpg to 24 mpg. Great product

Berryman-12 Chemtool

[This review was collected as part of a promotion.] Because prices are different online and higher online than the stores so it discourages me from shopping online I kinda of feel scammed 😐