Ruthenium spark plugs are designed to last longer than iridium plugs while burning more fuel/air mixture. However, they also ...

The rate at which a spark plug wears out will vary depending on the make and model of the vehicle, the type of engine, driving conditions, and spark plug type. Engines with copper spark plugs ...

I'm going to do some service on my Toyota Echo on Sunday, including new plugs. The current plugs are Denso iridium and have just over 30,000 miles on them. I was wondering if any of you have any basis ...

I've heard platinum spark plugs can get stuck in engines. Is this true? If so, is it possible to prevent? There has been a long-standing rumor, longer than the promised 100,000-mile lifetime of ...

I have a 2002 Ford F150, 2WD, 4.6L V8, Auto Crew cab. At approximately 45,000 miles, I had several plug coils fail. The failed coils caused a considerable shake in the engine, occurring at all engine ...