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Old 08-13-2007, 04:56 AM
ernkazern ernkazern is offline
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charcoal canister

The problem there is that the PCV valve is connected to manifold vacuum which means eventually the vapors would leak out where the throttle plate is. That's never a tight seal. The other thing is that the systems are designed so the fuel vapors don't get drawn into the engine until you're cruising down the road. There are so many variables with the amount of vapors that you'd have problems maintaining a consistant idle speed and quality start up after start up.
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