Subject	If it goes pizzzzzz that sounds like positive pressure to
Posted by	jzack on June 25, 2018 at 6:36 PM
	This message has been viewed 231 times.
In Reply To	Re: Fuel tank vacuum... posted by tian2bing on June 25, 2018 at 10:42 AM
Message	to me. My tank does that from time to time. Try this, removed cap after a drive and then next morning (gas tank mostly full). Let car sit in sun and warm up a few hours without starting it. Remove cap - sound should be pressure relief happening. If that’s what you normally hear it’s not vacuum.
Follow Ups	Fuel tank vacuum... - MeatMan (604Z) 19:38:17 06/24/18 Re: Fuel tank vacuum... - tian2bing 10:42:03 06/25/18 1992 fsm - compirate 15:34:50 06/25/18 If it goes pizzzzzz that sounds like positive pressure to - jzack 18:36:33 06/25/18 Re: Fuel tank vacuum... - tian2bing 10:43:43 06/25/18 I have a Walbro 485 and haven't had this issue. (n/m) - MixManMash 19:39:57 06/26/18 Re: I have a Walbro 485 and haven't had this issue. - tian2bing 20:46:09 07/01/18
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