I was wondering what kind of problems are usually associated with wet plugs. I removed them today to check the gap and found one wet with what I think was fuel. Not dripping wet but definitely damp. All the rest were dry and clean. The one that is wet is the one on the right hand side nearest the firewall standing in front of the engine(truck)looking in. I noticed this last week while doing a compression test but the pressure of that cylinder was ok. For this plug to be wet both times I removed it can not be a coincidence can it?
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