Iso Heet (Red Bottle) or PowerService ClearDiesel or nothing?

[Blue2Orange]

Truck's Flex fuel sensor was detecting water. Poured in one bottle of Red HEET. Got home and read the info on the bottle It noted "safe" for 2 cycle gasoline and diesel motors. 32 gallons tank that I just filled up a day before the check engine light went on. The stuff seems to have worked after adding a 2nd bottle and another ~20 miles more driving. Assuming the check engine light off means the sensor is not detecting moisture.

Questions????

1. Would you use this in your Kubota if you suspect moisture in the fuel?

2. My SCUT will probably average only about 50hr/year of use. Usually like to top off the tank to reduce the chance of moisture from the air condensing in the tank. But it might sit for a month or more at times.

PowerService noted: "Clear-Diesel Fuel & Tank Cleaner is an advanced diesel fuel and tank cleaning technology. Water has always been a problem in diesel fuel. But today’s cleaner-burning fuels have dramatically reduced sulfur content and are more prone to water separation, contamination and are inherently unstable. This Fuel Polishing Formula removes water and slime, disperses fuel contaminants and stabilizes fuel during long-term storage. It can be used as a vital part of any preventive maintenance program or for immediate clean-up of equipment or fuel storage tanks. Add Clear-Diesel at least quarterly or as needed.

Maybe an option for preventive maintenance? Or just BS and a waste of money?
I've always used PowerService's winter additive without developing any issues.

3. Add nothing and just replace the fuel filters when clogging.

 

[JasonW]

The types of additives are demulsifiers and emulsifiers. Plenty of research done on this available to read.

In a diesel engine I will use one that is a demulsifier. Which separates the water and fuel, which will/should be seen in the water separator. And have the ability to drain off the water.

An additive that is an emulsifier will break down/mix the water molecules and they will continue through the engine. Diesel injection pumps and injectors do not like water ran through them.

Older and/or mechanical diesels might handle water better than the High pressure common rail systems but I’m not chancing it. I use the same additive in my equipment as my pickup.