Yes over 60 degrees there is a vacuum valve that opens thus opening the check valve to the purge canister. Thus making it able to suck air in once the throttle is opened. What is the problem with the purge canister.

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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.

1986 190E 2.3 Black, Auto, Mods to come soon.....