A spark plug is a device that delivers electric current from the ignition to the combustion chamber of an engine to ignite the compressed mixture of air and fuel. All motorcycles, including those from ...

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 ...

Q. I own a Lexus LS 460 with 60,000 miles. The sparkplugs are double platinum. Why is it recommended that they be changed? I thought platinum plugs lasted longer. What happens if I wait until 100,000 ...

Q: We own a 2014 Mercedes E350. The owner's manual states that spark plugs should be replaced at 60,000 miles or six years. At the six-year service, the car had only 44,600 miles. The service writer ...

We may receive a commission on purchases made from links. Spark plugs have come a long way, as they're more durable and reliable than ever before. In fact, unlike most air filters and fluids that do ...