[ymg183]

Asking for help with a small mystery in my 02 Boxter S's vacuum lines. Near the vacuum accumulator tank, there is a 3-way junction in the vacuum line. One line coming from the junction goes directly to the vacuum accumulator tank, one seems to come from the vacuum source (wherever that may be) and the third is a short 3-4" piece of vacuum hose that is cut off and ends without a plug or a place to connect to and lies open on the top of the engine case below the intake manifold. I can reach it with a hooked wire to manipulate it, but there is no fitting nearby to which it should be attached. What to do??

The engine runs well apparently, although a recent check on a scanner threw a possible O2 sensor code. It has been explained to me that the code might be misleading and that the real cause could be related to some aspect of the fuel management system but not necessarily in the O2 sensor itself.

Any help in identifying what this short piece of hose should be connected to, or what should be done with it, would be greatly appreciated.

Thanks in advance.