Post by
krazydriver »
https://forums.nicoclub.com/krazydriver-u56503.html
Tue Jan 08, 2008 3:04 am
The ones from below the throttle body just run to the Charcoal canister.Removal of the charcoal canister and capping the lines will have no effect on gas mileage.
As far as finding a diagram, search the forums for 240sx FSM(Factory service manual). It's in a PDF and has a diagram like you want.