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post #3 of (permalink) Old 20th January 2008
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Pretty much spot on CM.

The carbon cannister absorbs the fumes from the fuel tank and are then released into the inlet manifold at certain times when the engine is running.The fumes used to be vented to atmosphere,but this was deemed to be unacceptable under modern emission laws.

I would have the broken pipe attended to as soon as possible as depending on where the pipe is broken,fuel vapor could be released into the engine bay or air could be sucked directly into the inlet manifold.Neither of these things are advisable!.
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