> Maybe I'm operating under the wrong misconception, but I don't understand > how a tank can be expected to hold pressure when it presumably vents thru > the charcoal canister to let the air out while being filled. Can someone > explain? > Yeah, you got me. The guy at the test place didn't explain it very thoroughly, plus I wasn't listening very well. All I know is it involves pressurization (vacuum?) of some sort, and takes 15-20 minutes to test. Perhaps a charcoal evap filter only should be able to pass a certain volume of air in a given time, and if too much can pass, that indicates a leak? -- John Bange '90 Vanagon - "Geldsauger" |
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