Are your spark plugs overdue for replacement? Watch for signs like poor performance, engine knocking, and decreased fuel ...

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 racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

View post: Amazon Is Selling a ‘Nice and Sturdy’ Shelving Unit for Over 30% Off Right Now How often you need to replace the spark plugs depends on a variety of factors like the type of car you drive, ...

Checking, replacing and maintaining your spark plugs is actually one of the easier and most affordable car-maintenance jobs you can do in the comfort of your own driveway — that is, if you don’t screw ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily overlooked but extremely important to your car's safety, longevity, and performance.

Misfiring, rough idling, poor acceleration, and decreased fuel efficiency -- the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...

Spark plugs are an essential part of a car's ignition system. As the name suggests, they provide a spark of electricity that ignites the fuel and air mixture, and gets the engine up and running.