Industry Knowledge

Questions Covered in This Guide• What is the center electrode?• What is the ground electrode?• What is the ceramic insulator?• What is the metal shell?• What is the sealing structure?• How do the comp

Questions Covered in This Guide• What is a distributor coil?• What is a coil pack?• What is a coil-on-plug?• What are the structural differences between them?• Which application scenarios suit each ty

Questions Covered in This Guide• How does stable ignition affect cold starts?• How does stable ignition affect idle stability?• How does stable ignition improve acceleration performance?• How does sta

Questions Covered in This Guide• What is the spark plug discharge principle?• What role do the electrode and gap play?• How is the air-fuel mixture ignited?• How does the spark plug dissipate heat?• W

Questions Covered in This Guide• What are the primary winding and secondary winding?• What is the principle of electromagnetic induction in an ignition coil?• How does magnetic field collapse create h

Questions Covered in This Guide• What is the difference between an ignition coil and a spark plug?• What does each part do?• What is the working sequence between them?• What failure symptoms can overl

Questions Covered in This Guide• How does power move from the battery to the ignition coil?• How does the ignition coil create high voltage?• How does the spark plug create a spark?• What is the role

Questions Covered in This Guide• What is a spark plug?• What is the main function of a spark plug?• How does a spark plug work in an engine?• What are the main parts of a spark plug?• What are the com

Questions Covered in This Guide• What is an ignition coil?• What does an ignition coil do in the ignition system?• Where is the ignition coil located in a vehicle?• How does it turn low voltage into h