Spark Plugs
Spark Plug electrode wear
![sddefault sddefault](https://i.ytimg.com/vi/8Q7t1iae1Uw/sddefault.jpg)
Electrode Gap v's Voltage
![sddefault sddefault](https://i.ytimg.com/vi/d-UxJ5AFG8w/sddefault.jpg)
Spark Plug heat range
![sddefault sddefault](https://i.ytimg.com/vi/2wFApgazS98/sddefault.jpg)
Installation and tightening torques for NGK spark and glow plugs
![sddefault sddefault](https://i.ytimg.com/vi/ZicaacP89VM/sddefault.jpg)
BMW Spark Plug Installation on N43 engine
![sddefault sddefault](https://i.ytimg.com/vi/H7LbG0BZnNs/sddefault.jpg)
Spark Plug Tightening Torque
![sddefault sddefault](https://i.ytimg.com/vi/jpXgOfovnHk/sddefault.jpg)
Corona Stain
![sddefault sddefault](https://i.ytimg.com/vi/ubJTRymdX3E/sddefault.jpg)
Knocking and Pre-Ignition
![sddefault sddefault](https://i.ytimg.com/vi/4ZysyokEU60/sddefault.jpg)
Spark Plug fouling
![sddefault sddefault](https://i.ytimg.com/vi/TXwKJ2Zg6AY/sddefault.jpg)
Torque vs. Turn Angle Spark Plug Installation
![sddefault sddefault](https://i.ytimg.com/vi/3kG4RdasbT4/sddefault.jpg)
Old Fuel
![sddefault sddefault](https://i.ytimg.com/vi/E4IFNI13IEo/sddefault.jpg)
Prevention of Spark Plug Ceramic Insulator
![sddefault sddefault](https://i.ytimg.com/vi/Nl-ly4rL1qo/sddefault.jpg)