What signs are there that your spark plugs are failing? Your car is a rough starter. … Your car is a rough idler. … Your engine will sometimes misfire. … Your engine surges. … Your fuel consumption is higher than usual. … Your car isn’t accelerating as it should. HowRead More →

What are the signs your Spark Plugs are failing? Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle. … Trouble starting. Car won’t start and you’re late for work… Flat battery? … Engine misfiring. … Engine surging.Read More →

Performance Spark Plugs The main difference between these and standard spark plugs is that the metal tab that the electrode arcs to during combustion is made from particularly durable metals, extending spark plug lifetime. There are single tab, dual tab and quad tab performance spark plug variations on the market.Read More →

NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs. What spark plug isRead More →