nbesheer Posted August 11, 2007 Share Posted August 11, 2007 I just read in another thread that the charcoal canister collects fuel vapors from the gas tank and burns it. But when I open my gas cap every Friday to fill up I hear a wooshing of air I'm not sure if it's air going in or air coming out. Is this normal ? Quote Link to comment Share on other sites More sharing options...
vrocious Posted August 11, 2007 Share Posted August 11, 2007 thats just the pressure difference generated by the fuel being drained from your tank and not replaced with air as it's a sealed system Quote Link to comment Share on other sites More sharing options...
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