From lawn mowers to string trimmers, small engines power our daily yard work—but they’re prone to fuel, spark, and airflow issues. Knowing how to diagnose and fix common problems like bogging, ...

Confirm that the fuel valve is on, there’s gas in the tank and the spark plug is in good shape. Shoot a one-second burst of aerosol lubricant or carburetor cleaner down the throat of the carburetor.

When you find yourself in the market for a new vehicle, you may have to pick between a diesel- or gas-powered car. As a fuel, diesel may be a little more expensive than gas, but it comes with a host ...