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 ...

The engine in your car, truck, or SUV can run on either copper, platinum, or iridium spark plugs. You probably heard the hype around iridium plugs and how they manage to deliver solid sparks while ...

Q. I have a 2000 Toyota Tacoma V-6 and it came from the factory with NGK spark plugs in one head and Denso Plugs in the other. I have read on a message board that all V-6 Tacomas come this way. Is it ...

NAGOYA, Japan -- Japanese auto parts supplier Denso appears set to reach a long-sought agreement to sell its spark plug operations to domestic rival Niterra, Nikkei learned Friday, as industry players ...

For the average stocker in good running condition, spark plug selection is a cinchchoose whatever brands on sale, look up the plug part number in the catalog, and go down the road. At the opposite ...