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A somewhat common problem on Nissan cars and imports that use clamps for fuel lines. Altho not usually that major. Often times the rubber fuel hoses leak in very cold weather. The fuel lines going to the tank are on the driver side. So is the fuel filter. I have to tighten up a clamp every winter on my 98 Villager when the temp drops below 30 degrees. If the leak is major enough to leave a puddle on the ground you should have no problem finding it.
is your purge canister working correctly or does it cause the fumes to stay in fuel tank and smell from the tank cap. Check when the car is off by removing the filler cap whether you have a pressure in tank. this might cause the smell,unless there is a small leak not noticeable somewhere.
The fuel filter is located there and it could be leaking and the exhaust can leak and it'll smell like fuel. theirs also vent lines for the tank ( plastic) that go from the tank to the canister ( evaprotive emissions ) If someone jacking up the car could damage them to and they will smell alot bur not leak wet gas. Inspect the car or have it inspected by someone who can get under the car( or raise it up) and check everything that can leak as a fuel leak can cause a very bad problem to happen.
you may have a fuel leak in the fuel line from the tank to the engine,you may have to get under the vehicle when the engine is running to see where the leak is, but make sure that it is in PARK & the hand brake is firmly applie.....hope this helps......cheers.
The Lines are simple if it's a 2.4 EFI the lines run on the driver side inner rail from the center top of fuel tank, and up the middle of the firewall to the injector rail or throttle body carburetor there is also one line that runs from the evap canister back to the tank and to the fuel system three lines total one is a return line the large line is the main fuel line and has the fuel filter mounted on it and is under the driver side door inside the frame rail.
It sounds like the return fuel line is leaking. There are two fuel line and one is the high pressure line which goes to the fuel pressure regulator then to the fuel rails. There is then a return line from the fuel rail to the gas tank.
With the amount of fuel leak, it's going to be the return line since it's not that bad compared to the high pressure side. Follow the fuel lines from the drivers side around the steering shaft to the engine. The high side and low side (return) run side by side and you should see it leaking when the engine is running.
Good luck and hope this helps.
have 1994 4.3 cpi and the problem I had sounds same.
It was a leaky pressure line in pletium . easy fix $45.00 part $15.00 gasket.
the leak was caused from the fuel lines rubbing together in pletium.
take the vortec cover off ,then remove air regulator in middle and look inside . I turned on power to key and gas spray came from drivers side of pletium looking in hole.fuel line side. if gas spray on passanger side then gas regulator faulty. takes 5 min to check
After fixing truck runs runs great. no more gas smell in cab.
also you can smell oil for gas
Body leaks are very, very hard to pin point, mechanics usually want to go home when they ge one, but here is the way we track them down, if you feel the leak is from under the put a sprinkler hear under the car and turn it all full blast get inside and try to see where the leak is coming from, if the leak is from up top area then do the same thing, let the sprinkler rain on the car, as much water as possible, once you do find the leak get some body caulking or a can of spray under-seal and spray the leaking area, it is most likely a welded seem that is leaking. GOOD LUCK.