Don't get all worried. I bet you it's your PCV valve buzzing. to check, just pinch the hose that connects to the PCV and see if it stops. As for how to solve it, I haven't figured that out yet. I tried replacing the valve twice, moving it around, everything I could think of but the damned thing still buzzzes. nothing to be concerned about though, if that's what yours is Anthony.
Chip
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