QUESTION: There is a clear green hose that runs from the fuel pump to the top of the carburetor on my MerCruiser stern-drive. It does not seem to have a purpose. Why is it there? ANSWER ...

On older vehicles, the pump sends fuel to a carburetor. Automobiles have primarily transitioned away from mechanical pumps on the engine block in old cars to electric pumps inside the gas tank on ...

You're driving along and your car starts to stutter and stumble. Then, just as soon as it starts, it goes away. You forget about it until it happens later in the week or the next day. Is your car ...

For the millions of Pontiac V-8s that left the engine assembly plant, the mechanical fuel pump was the unsung hero that received little notoriety. It quietly supplied the carburetor with an ...

The carburetor then spread to be the primary ... With even higher-pressure secondary fuel pumps, direct injection sends highly atomized fuel directly into the cylinder with precision, to further ...