Industry Knowledge

Questions Covered in This Guide• What is engine misfire?• How can an ignition coil cause misfire?• What is the difference between single-cylinder and multi-cylinder misfire?• What happens if you keep

Questions Covered in This Guide• What symptoms do bad ignition coils and bad spark plugs have in common?• Which symptoms are more likely to point to an ignition coil?• Which symptoms are more likely t

Questions Covered in This Guide• Can a bad spark plug cause hard starting?• Why does a bad spark plug cause rough idle?• Can a bad spark plug cause weak acceleration?• Why can fuel consumption increas

Questions Covered in This Guide• What does engine misfire look like when an ignition coil is bad?• Why can a bad ignition coil cause rough idle?• Can a bad ignition coil lead to hard starting?• How do

Questions Covered in This Guide• What is a no-spark condition?• What are the common causes of no spark?• Can an ignition coil cause no spark?• Can a spark plug cause no spark?• Should wiring and the c

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