Does the Fitech throttle body have a port for the return line from the canisters? Or is that line not used with the Fitech?
I would think it's not used because of the higher pressure in the main fuel lines.
Thanks, Scott.

It absorbs liquid fuel, and allows vapors to exit through the canister hose (s) to be consumed by the engine. The reason that it goes into the inlet tract at the carb is that all cylinders get an equal (more or less) dose.
If you vent it into the front or rear of the manifold, then the nearest cylinders MIGHT get a richer mixture than the others. Throttle body is the
best place to attach the hose. Above or below the throttle plates is a subject for discussion. I have some ideas based upon my experience and
training, others may have different opinions.
In any case, don't vent it to the atmosphere. We all agree that is not the right thing to do.
Jim Hupy
Salem, Or

I ran mine disconnected and vented to the outside air for several years. Every once and a while, while parked someone would say I smell gas leaking near the front of your coach. One day I walked by it and smelled it myself so I chased down the smell. I took the time to reconnect it where it belonged on the front of the carb. No more smell.

The reason my was disconnected was after my engine fire with everything I was replacing I failed to make a new hose and hook it up. I always wondered what that extra port on the front of the carb was for.

Ken Burton wrote on Tue, 20 February 2018 00:11

I ran mine disconnected and vented to the outside air for several years. Every once and a while, while parked someone would say I smell gas leaking near the front of your coach. One day I walked by it and smelled it myself so I chased down the smell. I took the time to reconnect it where it belonged on the front of the carb. No more smell.

The reason my was disconnected was after my engine fire with everything I was replacing I failed to make a new hose and hook it up. I always wondered what that extra port on the front of the carb was for.

All of my Fitech ports are used up by other vacuum demanding things, so I drilled a hole in the bottom of the airfilter on the "clean" side of the element and put in a port reasoning that there would be a drop in pressure between the clean and dirty sid of the element (however minor) and would allow fumes from the cannister to flow. Seems to have worked. Just what I did,

That won't create enough draw to regenerate the carbon media.

JohnL455 wrote on Tue, 20 February 2018 18:34

That won't create enough draw to regenerate the carbon media.

What are the symptoms if not enough draw. Just wondering what to watch for.