The Ancel Spark Plug Tester is 35% off at Amazon, but the sale ends soon. Put your car’s spark plugs to the test by ordering ...

Today, spark plugs are pretty easy to forget. In new Corvettes, theyseem to last forever. That wasn't the case years ago and, frankly, sparkplugs are often critical when it comes to performance and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Swapping out spark plugs is, next to changing your oil, one of the most basic, straightforward bits ...

Dear Mike: My pickup came new with those expensive spark plugs that never need changing. Of course I needed to change them after the engine started to misfire, at about 120,000 miles. Two of them ...

My question is about spark plug reach. I recently removed my intake, and while looking at one valve that was near max lift, I could see the electrode was at least 1/8 inch in the threaded hole. I ...

Spark plug indexing sometimes is necessary to avoid side-electrode contact with high-dome pistons. Moroso offers different thickness spark plug washer kits to do this. Some theorists claim positioning ...

If you are the owner of a Ford truck with a three-valve (3V) modular V-8 or V-10 engine built from 2004 thru 2007, you have either faced the misery of broken spark plugs-or you will. The Ford 4.6L, ...

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being ...

Spark plug fouling is a common problem when vehicles are repeatedly operated for very short periods, particularly at low temperatures. This paper describes a test procedure which uses a series of ...

I had an intermittent starting problem with my 2012 Honda Civic and had it repaired at my local shop. With my 10% senior ...

A research team replaced the conventional spark-plug ignition of the gasoline engine with a laser-based system, yielding improvements in engine performance and reduced emissions. Despite all the ...

Swapping out spark plugs is, next to changing your oil, one of the most basic, straightforward bits of maintenance you can perform on your car. Spark plugs go bad over time, so it's important to keep ...