Quote:
Originally Posted by red211
I know you said it has good spark but that is always a little iffy grounding a plug and looking at it.
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Really? I think that's a pretty good test.
If he is getting a nice blue spark..... I think we can rule out that the plug isn't getting grounded good. Plus, if the coil was failing, I doubt he would get a nice spark even when the coil was cold.
Quote:
Originally Posted by johns cubs
If plug is oil soaked it could be rings, or valve seals.
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Oil on the plug can also be caused by low compression due to a stuck valve.
K series Kohlers don't have valve seals.
