Tried everything, tested for vacuum leaks using a diy leak tester. Won't go above 12 psi. The purge valve or what ever sound like a kazoo kept lightly leaking after the initial annoying buzzing. Checked with starter fluid and propane while at idle, no dice. Only leak i had was one of the hoses that goes into the driver side valve cover (hoses are side by side) and fixed it with a hose clamp, still 10 afr in learning a after replacing stock filter into box and making sure everything was tight and sealed.
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