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Old 11-22-2019, 05:25 AM   #11
Starter986
1998 Boxster Silver/Red
 
Join Date: Sep 2017
Location: 92262
Posts: 2,915
Quote:
Originally Posted by amagalla View Post
bump... anyone?
You didn't take my advice about the sponge? I didn't invent that recommendation. It's been posted before.

MAF? Pfffffffft.

Perhaps the evap valve.

Look for a hole in the tank fill area.... put it a piece of sponge... that would revise the pressure... and would cancel that irritating resonationb. Dude. A piece of sponge... maybe the size iof a few pencil erasers. Look it up on these pages.

Best wishes.
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