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<blockquote data-quote="04OWwhipple" data-source="post: 16293729" data-attributes="member: 178956"><p>That is a good questions that I don't know. </p><p></p><p>How the system works:</p><p></p><p>Line goes from top of tank to one end of charcoal canister carrying vapors to canister. Another line from from the other end of the canister goes to the inlet of the purge valve. Then a line connects the outlet side of the purge valve to the vacuum port on supercharger inlet. The PCM commands the purge valve open during certain condition allowing the engine to use vacuum to suck the fuel vapors from the canister into the engine to be burned. That is essentially how the system functions.</p><p></p><p></p><p>Maybe Decipha or 04sleeper can say what exactly happens when they turn off that system but I assume the PCM no longer commands the purge valve open. The charcoal inside the canister will still absorb vapors/fumes to a point though I believe.</p></blockquote><p></p>
[QUOTE="04OWwhipple, post: 16293729, member: 178956"] That is a good questions that I don't know. How the system works: Line goes from top of tank to one end of charcoal canister carrying vapors to canister. Another line from from the other end of the canister goes to the inlet of the purge valve. Then a line connects the outlet side of the purge valve to the vacuum port on supercharger inlet. The PCM commands the purge valve open during certain condition allowing the engine to use vacuum to suck the fuel vapors from the canister into the engine to be burned. That is essentially how the system functions. Maybe Decipha or 04sleeper can say what exactly happens when they turn off that system but I assume the PCM no longer commands the purge valve open. The charcoal inside the canister will still absorb vapors/fumes to a point though I believe. [/QUOTE]
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