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spark Plugs - detonation - Photo 09

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  • Problem: Detonation<BR />Here you can see how this form of abnormal combustion has damaged the insulator core nose of the plug. Causes can include a faulty EGR valve, ignition timing advanced too far, lean air/fuel mixture, or low gasoline octane rating.
Problem: Detonation<BR />Here you can see how this form of abnormal combustion has damaged the insulator core nose of the plug. Causes can include a faulty EGR valve, ignition timing advanced too far, lean air/fuel mixture, or low gasoline octane rating.
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