Spark plugs play a pivotal role in how your vehicle operates, but will upgrading to performance spark plugs increase ...

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two ...

Diesel engines don’t have spark plugs; instead, they use the super-heated air created by their high compression ratios to ignite the diesel fuel as it’s injected into the cylinder.

If your car takes iridium spark plugs, or you DIY your tune-ups by buying plugs in the aftermarket, get ready to unlock a new ...

Outback has 110,000 miles on it. What maintenance is absolutely necessary? I change the filters regularly and the oil every 5 ...

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of ...

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars ...

Product Features. Genuine, OEM Champion Replacement Part; Champion replacement spark plug, part number 843; Measures approximately 2.00 X 0.75 X 0.75 inches ...

No, diesel engines do not use spark plugs. Instead of relying on physical ignition of the fuel, they run on a compression-based explosion to combust the diesel fuel.

We expect future gasoline engines to feature improved spark plugs, like the laser-operated hardware Mazda is making for its rotary engines. Furthermore, ...