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Old 05-09-2008, 06:19 AM   #1
Trig3r
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Hard line confusion?

I just recently installed a fuel cell and fuel pump in my 1995 240sx with kade24 however i have ran in to a problem. when i attempted to start the car there was a puddle of fuel. when i investigated to my discovery i found a hard line on the drivers side of the car where the fuel was comming from. I looked at my friends 96 240sx and the line doesnt even exist. i followed the line under the hood of the car to a canister under the hood which appears to be for venting and what not. What should i do about this? can i just plug it up? really lost on this one.
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Old 05-09-2008, 06:36 AM   #2
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Quote:
Originally Posted by Trig3r View Post
I just recently installed a fuel cell and fuel pump
In general, installing a fuel cell is simple, provided you mount the cell securely.

Most aftermarket fuel cells have 3 lines: feed, return, and vent. All fuel cells must be vented. Otherwise, pressure will build = explode.

On most stock cars, the feed line goes to the fuel filter, the return line goes to the fuel rail, and the vent line goes to the evaporative charcoal canister.

The purpose of the evap canister is to collect fuel vapor and later releasing the vapor into the engine for burning so you don't pollute.

Quote:
Originally Posted by Trig3r View Post
in my 1995 240sx with kade24 however i have ran in to a problem. when i attempted to start the car there was a puddle of fuel. when i investigated to my discovery i found a hard line on the drivers side of the car where the fuel was comming from. I looked at my friends 96 240sx and the line doesnt even exist.
Every S14 has an EVAP canister unless it was removed. It's a black canister the size of a tenis ball can, and is usually next to the radiator.

i followed the line under the hood of the car to a canister under the hood which appears to be for venting and what not. What should i do about this? can i just plug it up? really lost on this one.[/QUOTE]

Most likely you did not hook up the vent line to the hardline. Also, there could be a leak in the vent line.

You have 2 choices:

1) vent the fuel cell to atmosphere. Make sure you put a filter on the vent line so the line doesn't get plugged with debris and dirt. Then remove the evap canister and all lines connected to. Folow the vacuum line to the intake and plug the line at the source.

2) connect the fuel cell vent line into the evap canister hardline. You may also want to reuse the stock one-way check valve so fluid won't enter the canister. The system should function as normal after this.

Just be careful that with #1, you may not pass the visual inspection. If you have to do inspection, I suggest leaving the canister regardless if it's hooked up or not so you don't fail.
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