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gas cap sealing correctly?
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brm7675
Anonymous Poster
brm7675@yahoo.com
Sep 14, 2009, 2:31 PM
Post #1 of 7
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gas cap sealing correctly?
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When you take your gas cap off, shouldn't you hear some kind of suction sound? When I remove mine from my 1998 Ford Taurus Station Wagon I hear nothing.
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speed
User
Sep 14, 2009, 5:10 PM
Post #2 of 7
(3135 views)
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Re: gas cap sealing correctly?
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i dont know bout most cars or your type but mine hisses as pressure is released and it all depends on how far and long you drive. if its a minute or two away it probably wont build lots of pressure so wont make a sound.
GM ASEP 26 SCC Milford ASE certified in Brakes and Electrical on Thursday April 5th 2012
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 14, 2009, 5:38 PM
Post #3 of 7
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Re: gas cap sealing correctly?
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As a rule, fuel tanks don't run under pressure. the only time you may see this is with a lot of fuel in the tank and parked in the sun. The EVAP system will pressurize the system at times for testing and it will vent it to the intake at times also so don't even be concerned about that.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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speed
User
Sep 14, 2009, 5:40 PM
Post #4 of 7
(3127 views)
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Re: gas cap sealing correctly?
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none the less mine hisses at me but im not concerned since it works just fine and dandy.....knock on wood
GM ASEP 26 SCC Milford ASE certified in Brakes and Electrical on Thursday April 5th 2012
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 14, 2009, 5:45 PM
Post #5 of 7
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Re: gas cap sealing correctly?
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That's likely if it's not OBD2
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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speed
User
Sep 14, 2009, 5:51 PM
Post #6 of 7
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Re: gas cap sealing correctly?
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it is obd2 1996 camaro the cap even says somthing like loosen cap slowly contents under pressure lol
GM ASEP 26 SCC Milford ASE certified in Brakes and Electrical on Thursday April 5th 2012
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 14, 2009, 5:53 PM
Post #7 of 7
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Re: gas cap sealing correctly?
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It's possible. Mine never does. Nothing to be concerned about if it's not setting EVAP codes.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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