Spark Plug Condition: How To Diagnose Engine Issues
What Are Spark Plugs? A spark plug is a device that is designed to transmit an electrical signal to the engine, in order to ignite the mixture of air and fuel. Without a working spark plug, your car wouldn’t be able to start up if it runs on petrol/gasoline. The plugs are located within the cylinder heads in the engine and they are controlled by the engine control unit (ECU) via spark plug leads, also known as HT leads and…