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 ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Spark plugs are the heart of your car’s ignition system. If yours are worn out, ...

Spark plugs are an essential part of your engine’s operation. When your engine fires, it’s the spark that causes the ignition cycle to begin. Over time, spark plugs wear out and should be replaced. If ...

A brief underhood inspection confirms that all the vacuum hoses are on and that none of them have been burned open by leaning against the exhaust manifold. You've touched every sensor connection to ...

Spark plugs are not designed to last forever and at some point they’ll reach their life ending due to carbon deposits on the tips or a crack in the ceramic insulation. Replacing them is an easy task ...

Changing spark plugs is standard maintenance on gasoline-powered cars. Can you clean and reuse old spark plugs, or should you go for brand new ones?

DETROIT -- Years ago, backyard mechanics could change their spark plugs easily for little cost, boosting gas mileage and meeting the manufacturer's scheduled maintenance requirements. But now, as ...

Unless your car is hard to start, idles roughly, accelerates sluggishly or gulps gasoline, you’ll probably get little benefit from replacing the spark plugs before the time or mileage interval ...

See how to replace your spark plugs here. If your spark plugs are worn out, new ones can dramatically improve your performance. Doing it yourself is easier than you think. Make sure the prop rod is ...