spark

Here's what's inside an ignition coil and how it works to increase the voltage to fire a spark on your car: Here's a few photos of the ignition coil. Starting with the coil, removed from my Toyota Corolla: An ignition coil is located on top of an overhead cam engine. Its responsible for...

Wanted to upgrade the 2017 corolla SE (cvt), engine spark plugs. Currently Denso doesn't offer any available upgraded IRIDIUM plugs. I took out the oem stock plugs, Denso SC16HR11. And replaced them with Pulstar gg1h10. I emailed Pulstar for the correct part#. I gapped the Pulstar to oem spec...