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Problems with this #1 Cyl Plug?

   
Old 07-22-2015, 05:24 PM
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Problems with this #1 Cyl Plug?
Photo of the plug pulled from my #1 during a recent timing belt replacement (don't ask). Any reason for concern with the gunk?

1999 4runner, 3.4, 4x4
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Old 07-23-2015, 08:32 AM
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It's probably a tiny amount of blow-by getting between the steel and porcelain. Time to replace them- obviously. We've all had them before.
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