Glossary “fuel quality test” Definition:
Test that can determine if excessive alcohol is present in the fuel.

Glossary “fuel nozzle” Definition:
Discharge tube in the carburetor through which fuel passes from the float bowl into the passing air stream whithin in the venturi

Glossary “fuel pressure regulator control valve” Definition:
Solenoid valve that controls the amount of vacuum applied to the fuel pressure regulator.

Glossary “fuel pump” Definition:
Mechanical or electrical device used to move fuel from the fuel tank to the carburetor or injectors.

Glossary “fuel pump eccentric” Definition:
Usually bolted to the front of the camshaft, that is used to operate a mechanical fuel pump.

Glossary “Fuel Pump Inertia Switch” Definition:
An N/C switch that will open if the vehicle is involved in an impact at speeds over 5 MPH or rolls over.

Glossary “fuel map” Definition:
Chart to show the relationship of engine rpm, fuel flow, engine load and ignition for a particular engine.

Glossary “fuel metering” Definition:
Controlling the A/F mixture entering the combustion chamber.

Glossary “fuel log” Definition:
Manifold that delivers fuel to two or more carburetors.

Glossary “fuel hose” Definition:
Term used for fuel line.

Glossary “fuel injection (FI)” Definition:
Term used for fuel-injection system.

Glossary “fuel injection system” Definition:
System that sprays fuel under pressure into the intake manifold or directly into the cylinder intake ports, allowing more precise control of the air/fuel mixture for improved performance, fuel economy, and reduced exhaust emissions.

Glossary “fuel injector” Definition:
Mechanical or electro-mechanical device that meters fuel into an engine.

Glossary “fuel line” Definition:
Rubber or metal lines that carry fuel from the fuel tank to the carburetor or injectorand return fuel not used by the injectors.

Glossary “fuel fouled plug” Definition:
Term used for carbon-fouled plugs.

Glossary “fuel gas” Definition:
A gas, such as acetylene, natural gas, or hydrogen, normally used with oxygen in an oxyfuel process, and for heating.

Glossary “fuel gauge” Definition:
Gauge that indicates the amount of fuel remaining in the tank.