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TABLE OF CONTENTS
Copyright Information.................................................. 2
Copyright.................................................................... 2
Trademark.................................................................. 3
Cautions......................................................................... 4
Warning...................................................................... 4
Product Introduction .................................................... 4
Car spark plug test principle ...................................... 4
Specifications ............................................................ 4
Product Structure ......................................................... 4
Structural Diagram..................................................... 4
Operation Introduction ................................................ 5
Instruction .................................................................. 5
Maintenance Service .................................................... 6
Maintenance .............................................................. 6
Warranty......................................................................... 7
Warranty access........................................................ 7
Disclaimer.................................................................. 8
Return & Exchange Service......................................... 8
Return & Exchange.................................................... 8