Description
Practical value and everyday use
Berryman 2616 B-12 Chemtool Total Fuel System Clean-Up Easy Pour-In Metal Can, 16-Ounce, Fluid is listed in Fuel System Cleaners. For a practical buying decision, start with this source-backed point: Product identity: Berryman 2616 B-12 Chemtool Total Fuel System Clean-Up Easy Pour-In Metal Can, 16-Ounce, Fluid.
The source also records: Catalytic converter and O2-sensor safe. Use this additional stated detail to judge day-to-day usefulness and package value: Quickly dissolves gum, varnish, fuel residue, and carbon build-up.
Value-focused decision
Compare those stated features and included items with the current on-page offer and the exact quantity needed. No performance claim is added beyond the source product record.
Complete source-backed product details
After 100 years in business, we are especially grateful to our customers who make us what we are today. We commit to continue providing products that meet the highest quality standards of performance, reliability and environmental responsibility.
Source product highlights
- Restores lost power and peak performance
- Maximizes drivability, fuel economy, and injector life
- Quickly dissolves gum, varnish, fuel residue, and carbon build-up
- Disperses moisture in conventional gasoline and lubricates upper cylinders
- Catalytic converter and O2-sensor safe




M. M –
I actually purchased this to run through a 60+ year old tractor engine. It had been sitting for quite a while while I did some work on it (none of which was related to the fuel system or carbeurator. After the project was finished, everything worked fine for a few minutes, then the engine would sputter as if it wasn’t getting any gas. This condition would be worse if I was running it at higher RPMs. This happened a few times and once even died but it started back up after a couple minutes. On a hunch, the easiest thing was to run some carb cleaner through it. I portioned it out to match the amount of fuel in the tank and then ran the engine hard for about 45 minutes. It ran perfectly without any sputters along the way. Did this really help? I don’t know. What I do know is after I ran this through the carb, the problem I was having did not happen again.
M. Feddeler –
Ran this through my son’s Focus platinum with an O2 code. I knew he hadn’t cleaned the injection or fuel system. By the time he had run ½ of the tank (6 gallons) of fuel through the car the light went off and the car ran much much better. 1 ounce per gallon of fuel. Very impressive.
David Kinsey –
Good stuff, keeps everything nice and clean in the fuel and combustion system’s.
Jason malone –
This is Berryman’s strongest cleaner in their lineup. It works incredibly well.
Reagan –
Seemed to improve idle.I wished it would have been a better value for the money.But couldn’t find it locally.And was glad to get it on Amazon.
TACO556 –
Recommended by a radio car mechanic.
Hills F. –
I had a engine that was surging and would stop running. I added B12 to five gallons of gas. With in a couple of days of running the machine it cleared up and now runs smoothly. I have tried many different additives. This is the only one I will ever use from now on.
C C –
Great product works as described.