Spark plugs are critical components of any gasoline engine, but since they ignite the compressed mixture of fuel and oxygen millions of times during their lifespan, they eventually cease to fire and ...

An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.

In the early '70s, Mopar changed the concept of a tune-up with the introduction of the breakerless, capacitor-discharged ignition system. Thus began the evolution of electronic engine controls. since ...

Spark plugs are essential for gas-powered engines. However, they're not all created equal. Here's what can happen if you use ...

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 ...

Viewer-submitted questions for The Car Doctor: Q: I had an intermittent starting problem with my 2012 Honda Civic and had it repaired at my local shop. With my 10% senior discount, the cost came to ...