A comprehensive multi-purpose fuel enhancer that addresses eight critical fuel performance issues to reduce fuel consumption and extend fuel system, engine and diesel particulate filter life.
Cleans and unplugs fuel system.
Prevents costly fuel pump and injector repairs.
When to use:
When you want professional grade protection for your engine.
You want to improve fuel economy & performance.
You want to protect DPF & fuel filters.
You want a cetane & mileage boost.
What it does:
Prevents asphaltene fouling.
Prevents build up of black slimy deposits.
Keeps fuel system at optimal performance level.
Improves lubricity & cetane levels.
Transforms your fuel into a premium product.
* Certified compliant for use in low emission engines & ULSD fuel.
*EPA Registered.
Since I started using 4+ Premium, I have solved my replacement issues with Cummins EGR valves and the blue smoke I had on start up with my Detroit units has disappeared.