Laser Iridium spark plugs are made by NGK for OEMs. They use a combination of iridium and platinum to increase efficiency and ...

Iridium spark plugs are more expensive, last far longer, and handle heat better than copper spark plugs -- but not all ...

Switch out a set of old, worn spark plugs to improve your engine's efficiency. By Timothy Dale Published Nov 15, 2023 1:00 PM EST We may earn revenue from the products available on this page and ...

Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

Spark plug transmits high voltage electrical energy to ignite the air-fuel mixture in combustion chamber. It also assists in removal of heat from combustion chamber. Spark plugs are used in internal ...

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 ...

Iridium or platinum spark plugs -- which should you choose for your car? Here's how they compare when it comes to performance ...

View post: I Drove the 2026 Hyundai Ioniq 9. Here Is Why It’s Better Than a Tesla Model Y Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject ...