Do you guys hear anything when you remove the gas cap on your Integra?

I've driven BMW, Toyota , and Mazda vehicles that make a hissing sound when the gas cap is removed. I'm trying to investigate if I should buy a new gas cap because I don't hear any noise from mine.

 

yes its supposed to sound like that, your releasing pressure

 

mine does it most of the time
sometimes when the tank is almost empty it doenst hiss

 

Damn, I hope it's just the cap. I've never heard anything when removing my gas cap.

Maybe a new cap will help fuel economy because I only get 275-290 to a tank of gas.

 

That's not too bad. I get around 240 a tank. My cap will hiss every now and then, but not all the time. I think your case is normal.

 

I almost never hear mine hiss.

 

Mine hisses most of the time...but I still only get about 210 miles out of 10 gallons...

 

what do you usually fill up at? if you haven't done spark plugs in a while, do that.. that will definitely affect your fuel economy.

i get hissing from the cap just about every time i fill up. it's normal.

oh, and i'm just about always above 30mpg..

 

im at about 12-16mpg... i hear the hiss after i drive hard, when i just start my car in the morning go to the gas station i don't hear it

 

Well during the winter months I never let it get below half a tank. There's still snow falling in CT. During the warmer months I'll run it down to quarter of a tank. I changed the spark plugs ten thousand miles ago.