这方面的资料证准确，专业诊断的火花塞，电线插头，点火系统，燃油控制和大多数其他的影响因素火花塞电压和燃烧室。
This information permits accurate, professional diagnosis of the spark plugs, plug wires, ignition system, fuel control and most other factors affecting the spark plug voltage and combustion chamber.
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