Loss of Power - Fuel Contamination OR Fuel Pump Issue???

[Scoobysnac]

Maybe not related but i had a tractor that use to loose power and i checked everything and found fuel slime. i cleaned it out and treated the tank and supply tank and this fixed it up.

the below link is similar to what i used.

https://www.repco.com.au/oils-fluids/additives/fuel-additives/penrite-diesel-biocide-fuel-treatment-1l-addsltreat001/p/A9727484