Alcohol-In-Fuel

NOTE: Do not use fuels containing methanol in order to prevent damage and corrosion to the fuel system.

Alcohol-in-fuel can be detrimental to the fuel system components. Alcohol-in-fuel can cause driveability problems such as hesitation, lack of power, stall, no start, etc.

The problems may be due to fuel system corrosion and subsequent fuel filter plugging, deterioration of rubber components, and air fuel mixture leaning.

Various types and concentrations of alcohol are used in commercial fuel. Some alcohol is more detrimental to fuel system components than others. If an excessive amount of alcohol in the fuel is suspected as the cause of a driveability condition, the following procedure may be used in order to detect the presence of alcohol in the fuel. In this procedure, water is used to extract the alcohol from the fuel. If contaminated fuel is suspected, the fuel must be completely drained from the tank and replaced with known good fuel.