Huh ?????

F.A.S.S. Diesel Fuel System

 

Yeah its supposed to seperate air, but that seperator you had pictured is to seperate water from fuel. All the air is supposed to returnthrough the return line and back to the tank (filler neck line) along with excessive fuel. Mayfair get yourself some hose pinch off pliers (see pic below if you dont know what I'm talking about) and the next time you let it sit for a coupl of days, pinch off the suction side line close to the fass. (you could also use vice-grips and something to protect the hose from the jaws. Goal here is to pinch it off, not destroy the line). Then when it comes time to fire it up, pull the pliers off and see if she starts.

 

OK, I'll give it a shot. The thing is though that it doesn't happen all of the time. The next time I let it sit though, I'll give it a shot.

What am I looking for here?

What if it DOES start? What does that mean, and air leak at the tank line somewhere?

Suppose I forget and it gives me trouble starting again. Do you think if I just bump the starter a couple of times rather than continue to try and start it it would be better and fire right up?

 

LOL, mine is only 18 inches away from the tank and that was enough! I don't know if you say on the other thread, but I'm getting 2 MPG better now. I got 22MPG driving to work and back yesterday. I was getting about 20 average. I wonder if I had an air leak all along.

 

Bumping the key definatly would help.

 

I meant what if the leak occured after the fass system on its way to the fuel filter cannister. Couldnt air still be sucked in somewhere along the way? I would think that the bernoulli effect could cause that. Maybe I'm crazy I dont know

 

If the leak was after the fass it would leak fuel cause that is the pressure side of the system.

 

I was thinking about that, and it makes sense, but then how does an air brush work? the air rushing by pulls the paint right? Couldnt the fuel do the same thing? I think you are right though jakebrake

 

Yeah, I was tinking that too. Perhaps if it happens again, next time I'll just try and cycle the FASS a couple of times and see what happens.

 

Bumping the key was the only way mine would start. I had to bump it and get the PSI up to 15, then crank it for 10 seconds. If I didn't bump the key, it took about 20 seconds for it to start.