Category: Fuel Test Kits

My Diesel Fuel is Black – Causes and Solutions

The color of fuel indicates the fuels age or bacteria growth. The dark color is coming from one or the other. To fix old diesel remove the water first. Less than 50 gallons of fuel consider Mr Funnel to remove the water. Once the water is gone he can then filter out the solids. BUT… Read more »

Diesel Fuel Water & DEF Test Kit – Detect Contamination Quickly

If your diesel engine isn’t running properly, someone may have accidentally pumped DEF into the fuel tank. This can cause serious engine problems—but you don’t have to guess. With the Diesel Fuel Water or DEF Test Kit (#DEF-1), you can test for contamination quickly, safely, and easily. Features of the DEF-1 Test Kit Kit Includes:… Read more »

Why You Should Worry About Your Generator’s Old Diesel Fuel

Unlike vehicles, generator diesel fuel often sits in tanks for years, because it’s stored for emergencies rather than regular use. Over time, this fuel degrades, causing performance issues and potential engine damage. Consider this scenario: Why Old Diesel Fuel Is a Problem To comply with NFPA 110 (Standard for Emergency and Standby Power Systems), fuel… Read more »

Why Testing for Water in Diesel Fuel is Essential

Diesel Fuel Testing

No matter how carefully you handle diesel fuel, there’s almost always some water present—often delivered directly in the fuel. The key is keeping water levels as low as possible, and testing your diesel fuel regularly is the best way to do it. 1. Prevent Engine Failure High water content in diesel fuel can lead to… Read more »