the plug might be wrong for this engine or knock control system failure.
I tell you one of my stories.
the spark plug on my motorcycle burnt after several days I renovated its ignition system that happened many years ago. what had I done to the ignition system? I replaced its original ignition coil with an E-shape coil that used on Lexus 400. the plug is burnt and you can see the tip is melt both electric pole and ceramic end. my scope shows the secondary waveform indicates the spark is very good. I put a NGK plug to try and find it works perfect, never damages again.
I tell you one of my stories.
the spark plug on my motorcycle burnt after several days I renovated its ignition system that happened many years ago. what had I done to the ignition system? I replaced its original ignition coil with an E-shape coil that used on Lexus 400. the plug is burnt and you can see the tip is melt both electric pole and ceramic end. my scope shows the secondary waveform indicates the spark is very good. I put a NGK plug to try and find it works perfect, never damages again.
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