You don't have to be Mr. Goodwrench to know that your car won't run without a steady supply of fuel, whether it runs on gasoline or diesel fuel. Less than three months ago, Honda recalled more than ...

The fuel system business is booming. Aftermarket pumps, regulators, lines, fittings, tanks, injectors, fuel rails—even entire how-to books—revolve around the task of delivering more fuel to an engine.