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Question for spark plug gurus

I'm looking for test protocols for spark plug test (functional/performance). Any assistance is very appreciated.

Thanks

Reply to
Sergio Santos
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felsh

Reply to
Kirk J

Continuity, insulation resistance and breakdown voltage.

The insulation resistance/breakdown voltage might be a bit difficult to measure because the plug might 'fire' at the correct voltage, but discharge through a cracked insulator or carbon track. The proper breakdown test is probably partly visual (make sure the spark occurs at the correct place).

Reply to
Paul Hovnanian P.E.

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