Hello, My problem is that gasoline fumes enter the cabin when I am getting gasoline. Windows open or closed, doesn't matter. It happens when filling tank half-full or completely full. I live in the mountains at 2,000 feet elevation. The problem also happens when going up the mountain from sea level. Thank you for your help!
You may have a defective vapor recovery system or a loose hose coupling between the filler and the tank. The recovery system can go bad after a lot miles/time. Also, overfilling the tank (going beyond 'one click') can damage the system.
I would replace the gas cap first, make sure it is the right kind, before having the VR system checked.
SOURCE: I can't fill my tank up with gas on my 2004 Honda
Your problem is the breather on the tank
Its a pipe fitted to the tank that lets the air out when you put fuel in. and it sounds like its blocked up or has a kink in it
Find it ,clean it, and your ok to fill up.
SOURCE: When you fill the gas tank you can smell fumes but
There are, of course, many possibilities, but if you are smelling fumes it is likely that they are coming from the engine compartment. If you smell the fumes when you first start the car, it may be that one or more of your fuel injectors have begun to leak. They are the four cylindrical devices connected to the fuel rail down low in front of the cover that is marked PGM-FI. You would be able to see dampness on one or another if it is leaking. Another possibility is a leak in the fuel line itself regarding its several connections. Without a manual and pics, it is difficult to indicate the positions of many parts, but if you trace your fuel line backward from your fuel rail to the fuel filter and so on, you might be able to find a leak. A VERY small amount of fuel will allow you to smell it, so I wouldn't expect to see gas flowing out somewhere. Sometimes, simple overflow from filling the tank will give you a short-term odor.
Sorry I can't be more help. A Haynes manual would be a good investment.
SOURCE: 1997 Honda Civic EX: Exhaust fumes coming inside
hi, this might help you:
at first make sure your air system is set to take the inside air of the car. this is the button with the car on it with above this little car a circular arrow like as if air circulates only within the car, or like the air from the outside wont circulate inside the car.
if not:
if possible get a expert to do a check up of the body/chassis, it might be in a condition where rust has made wholes in eg a part under your seat.
it might also be that something is wrong with the ventilation part of your honda, like 'tubes' are leaking within the engine bay or??? something like that.
ive had a honda, not this problem, but i think it'll be something with the isolation and or the plates between the chassis 'bars'....
hope you'll find a solution soon.
SOURCE: trunk/gas tank latch wont work (honda accord)
I have this problem now i got my trunk to lock by going in the trunk and removing the wire from the hook that was keeping it loose. Now i can lock my trunk but i am still looking for a way to get in my gas tank. Help me please if you can.
SOURCE: Inside the cabin strong gas smell after fill up
One major reason for this kind of problem is filling the gas-tank too much. I suspect over-filling the gas tank in your case.
Driving within the highway speeds increase the amount of pressure created in the gas tank, which would likely result in leakage. Over-filling the gas tank should be avoided at all times, because each time the specification is exceeded, the system would not be able to handle it. So it is very likely to experience some leakage under this cirumstance.
On this car, the gas tank is located under the second row seat covered by the carpet. It could help to give the gas tank a good check to see if perhaps the fuel-pump gasket needs replacing. Another reason to check up the fuel-pump area is to make sure that no major damage had occured in the gas tank area with the previous owner that was not properly fixed. To get to the fuel-pump:
a. Start the engine.
b. Relieve the fuel pressure in the system by pulling out the fuel pump fuse. The fuse for the fuel pump is located in a box under the left side of the dash. Once the fuel pump fuse is pulled out, the engine stops, and the pressure is relieved. Turn off key in the ignition.
c. Open the hood and remove the negative terminal of the battery.
d. Take out the second row seats by activating the levers under them. Then pull back the carpets also from the second row seating area..
e. Remove the four screws holding the access cover of the fuel-pump. And then remove the electrical plug on fuel pump's sending unit.
f. Use a large pliers with rags to loosen the plastic lock-nut. Or consider a special loaner tool from a reputable autoparts store.
g. Disconnect the fuel-line hoses, noting their previous installed positions.
h. Take out the fuel-pump. Check the seals for cracks, distortions, etc.
NOTE: When returning back the fuel-pump seal, the seal must go in the hole first.(This method lets the seal avoid getting pinched or distorted). Then gently lower the fuel-pump assembly into its hole.
i. Reconnect the fuel-pump electrical connector; reconnect the fuel-pump fuse and the negative battery terminal, return back the second row seats and the carpets. Start the engine, and look for fuel leak.
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I think I answered my own question. I removed the bed liner under the rear window. Behind the bed liner are two cabin air exhaust ports. The little rubber flaps that allow air to escape the cabin but won't allow outside air to enter were warped of shape. In other words, the vent couldn't close. Air from the gas tank breather hose could leak into the cabin through the deformed vent flaps.
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