From sputtering lawn mowers to stubborn weed eaters, small engine issues can be frustrating but often have simple fixes. Knowing how to diagnose fuel, spark, and airflow problems can save you time and ...

Spark plugs are an integral part of your engine, but they need to be replaced every so often. We'll tell you how to find out ...

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

If there is a component on a Pontiac engine that gets little or no thought, it's the spark plug. We refuse to spend much money or time on them, but unless your Pontiac is powered by a GM diesel, the ...

Spark plugs play a key role in igniting the air-fuel mixture that enables the engine to transition from cranking to running on its own. Considering the relatively lengthy service life of these small ...