What is an EI ignition system? The EI system (also known as distributorless, direct, or computer-controlled coil ignition system) was actually introduced in the mid 1980s, but really became popular in the early 1990s. Eliminating the distributor and coil/spark plug wires allows the COP system to operate very efficiently. How does an electronic ignition system work? An electronic ignition system is a type of ignition system that works electronic circuits, usually by transistors. The transistors are controlled by sensors to generate electric pulses which then generate a high voltage spark that can burn the lean mixture and provide a better...

Why is there an intermittent buzzing sound in my wall? For example, if the buzzing noise is coming from an outlet in your wall, the sound you are hearing is likely electrical current running to the outlet. However, this is not a sound you want to hear. A wall outlet does not make a buzzing noise on its own unless there is a problem in the circuit. What kind of noises can you hear in Your House? Contact an HVAC professional. Skittering sounds, squeaks, buzzes and other noises coming from your walls and attic may mean there’s something living in...