Glossary / Electrical

spark plug

36 Episode Mentions

Too Afraid to Ask

A spark plug is a tiny part inside the engine that helps start the car by making a small electric spark. Without it, the engine can’t fire up.

Technical Definition

A spark plug is a small device in an internal combustion engine that creates the spark needed to ignite the air‑fuel mixture in each cylinder.

Hear It Discussed

"...I pulled the plugs to do plugs and while I was in there, compression check, and one of them came out a little weird. It just kind of felt weird on the way out and then whatever, it's fine."
Carrera RSR IROC: The Sensory-Overload Porsche 911 — The Carmudgeon Show w/ Cammisa & DTS — Ep. 220 The Carmudgeon Show 06:43

"This is a spark plug. This is a carburetor"
From Shop Class To Show Time In Wheel Time Podcast: Your Go-To Automotive Talk Show 03:31

"it used a single spark plug per cylinder and twin magnetic merrelli magnetos for ignition, wow, a two magnetos, that's cool."
How Ferrari Survived Ford, Fiat, and Fate Past Gas 25:02