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11

Regulations limit the amount of unburnt hydrocarbons that can be released into the atmosphere, therefore fuel tanks on cars now have to be sealed to stop these emissions. The noise you hear is air rushing into the fuel tank, due to the low pressure caused by the use of fuel.


6

Yes, running low on fuel can damage your fuel pump, but as IHaveNoIdeaWhatImDoing mentioned in the comments below, modern fuel tanks are sophisticated enough to prevent fuel pump starvation until the tank is almost complete empty. Either way, damage to the pump can occur because fuel acts as a coolant for the electric motor. When there is no more fuel the ...


5

For the sake of putting answers on questions... The WD-40 Website lists 100's of uses for the product and one of them is actually: Removes adhesive tape without damaging factory paint. So, it sounds like that advice is good. I second DucatiKiller's comment about Goo Gone or similar "citrus" cleaners. I've had good luck with them on automotive paint. ...


5

There is Brake-Specific Fuel Consumption Which is a measure of how much fuel is consumed per unit energy. Another way to look at it is the rate of fuel flow needed per unit power developed by the engine. This information is not something accessible through OBD-II. But it's not very useful in this case Note that MPG remains relevant because it is a ...


5

That pipe probably goes to the tank too, it is just there to let air out of the tank while adding fuel down the main pipe. I believe that your additive will be in the fuel.


4

In the case of topping off, it would make absolutely no difference other than costing you more at the pump. Octane is a rating which would indicate how hard it is for the fuel to burn. The higher the octane rating, the harder to burn. If anything, leaving gasoline for longer periods of time is going to make it harder to burn, thus effectively raising the ...


4

If you have no money, the simplest way to get it fixed is to use a stainless metal screw (or galvanized if you cannot find stainless). Simply screw it into where the hole is at. When you insert the screw, the metal of the tank will form around the screw. This is an "old timers trick". Back in the day when a tank would get some water in it (because of bad ...


4

There are a few ways to resolve this dent issue. Method 1 glue these plastic ding tabs to the gas tank. You can find them by googling "plastic ding tab" You will use a hot glue gun and hot glue them to your gas tank. Use a dent puller slide hammer. The tip should screw into the plastic ding pullers. Pull the weight of the slide hammer to the bottom ...


4

With the filler neck is a fuel breather pipe which allows the tank to vent air otherwise trapped when the fuel level is topped up. It may be that a breather pipe has become blocked. This can mean that fuel in the tank is effectively being held in a slight vacuum making the fuel pumps job harder and starving the engine. One good way to check this is, if ...


4

My theory is you have a stuck float in your carburetor. This is causing the fuel bowl not to fill completely. When you go around the corner, the main jets are without fuel (sucking air) and this kills engine power. Getting the carb rebuilt (or at least looked at) will probably solve the issue. You may also try using a plastic handled screwdriver and using ...


4

The gas gauge is just an indicator and each vehicle is going to be different. I know the older Datsun Z cars had two gas gauges, one was the main one which showed the volume of gas down to 1/4 tank, while the secondary one showed from 1/4 down to empty. The secondary gas gauge was very accurate to give the driver a true indication of how much fuel was in the ...


4

It is because the fuel lubricates and cools the pump. If you leave the tank run dry, the fuel pump will turn dry, which will overheat it and may cause the electric motor to fail or otherwise to reduce its service life. The same principle applies to the water pump when it is electrically driven, like in the Toyota Prius. When burping those kind of systems, ...


3

possible vent hose issue As you are filling your tank the displaced gasses in the tank need to go somewhere. If you have a pinched vent hose it could fill slower or be difficult to fill. Check the neck to the tank as well as the ventilation system to ensure there are no obstructions preventing the movement of gasses or liquids entering or exiting the ...


3

All modern motorcycles with steel gas tanks have an internal coating that protects them against oxidation (rust). There are many brands of sealer available if the stock sealant has been compromised, typically due to heat or old fuel sitting in the tank for an extended period of time. This google search for 'motorcycle gas tank sealer' yielded these ...


3

Are these instructions accurate? These instructions sound accurate to me. Would Vaseline-brand 100% pure petroleum jelly (the one used for baby diaper rash) be a suitable "petroleum-based lube" or is a car-specific product needed? Absolutely. And if I use a 100% cotton fabric to clean the top of the gas tank, does this suffice to minimize the ...


3

The level sensor works with essentially sliding contacts. These contacts wear out over time and crud, dirt and corrosion can build up on them. Did i mention that the sensor is submerged in gasoline. Some cars have known problems with level sensors but i'm not aware of BMW specifically having a problem. If you don't want to spend any money this problem can ...


2

I have seen two things cause this problem. The first is an obstruction in the fuel filler neck. This could be caused by damage or a foreign object logged in the neck. The second is if a EVAP vent solenoid is stuck closed. The evaporative emissions system collects access vapors from the fuel tank in a charcoal canister. To dispose of the collected vapors ...


2

Another concern of leaving gasoline in a fuel tank is that it degrades. If left long enough, it will not burn as efficiently (if at all) and will cause many internal issues. Gasoline in a fuel tank should be good for a minimum of six months before you need to start worrying about anything. Given you are driving the car 2-4 times a month for about 100 miles, ...


2

It is possible that you have an air lock. (Don't hold me to it.)


2

Here's the owners manual from the Honda Power Equipment website It doesn't have what your looking for But, if you look on page 51 it shows how to remove fascia related to the front cover. You will notice you are looking at the side of the gas tank beneath the top cover. a bunch of assumption I could be wrong. I do have a lot of experience with the 80's ...


2

Sometimes A float gets "waterlogged" (so saturated with fuel that it just won't float anymore.) The float could be bent in position. Worn tip on float needle Worn o-ring in the float seat Excess dirt and varnish in the carburetor. (Varnish deposits occur when fuel sits too long..) The best thing to do is remove and examine the carburetor. Take it ...


2

Kind of a long shot, but I had this problem with an old Nova, turning right. That was due to loose screws in the carb. It might have been the mounts to the intake manifold; but, my vague memory is of tightening screws on the topside. It was a long time ago.


1

I found a video with 4 methods to fix dents on motorcycle gas tanks. The hot glue method was mentioned in this video. The person in the video uses a hair drier and a can of compressed air for the first method. The tank that he is working on has a single wall in the gas tank. The 4th method is pretty interesting and it seems to be the most successful ...


1

As you doubted the trouble was with the float. I would like you to remove the bottom cup of the carburettor and remove the fuel and gently blow some air to the float and to the jet. Make sure not to disturb the Air or Fuel Screw. If you disturb it, it will be the difficult task to tune it back to normal by you. Now gently tap the float and make it free. ...


1

The float lever in your fuel sending unit may have a built up residue on it preventing the float from rising and falling properly. I believe your vehicle has an internal fuel sending unit within the fuel tank. and I believe that your access point for this fuel sending unit is from within the vehicle under the rear seat. This float lever on your fuel pump ...


1

I agree with Paulster2 and George also, but when you can't afford the new tank, a good fix might be a product like JB Weld or some similar product. I fixed a pinhole in a 135 gallon slip tank about 4 years ago with the JB. Still holding. Just do a good job of preparation, sandpaper or whatever you got and try it. Nothing to lose. Hope it works for you.


1

The only advantage I can think of is with a vehicle that has carbs. Often (but not always), the higher octane fuels have less Ethanol. Ethanol left sitting on carbs leads to fouling. So, higher octane, which may have less Ethanol, gives you a better chance of not having to deal with fouled carbs down the road.


1

I'd suspect some kind of blockage or restriction in the filler - possibly the hose itself has partially collapsed, or the non-return valve is stuck, stopping the fuel from running down into the tank properly - by the time you got to the second service station, the fuel had worked it's way past the obstruction into the tank, so you could do it again.


1

The float in the gas tank might be getting stuck and so that could be the reason that the fuel gauge stays high and drops all of a sudden. if possible pull out the fuel pump wiggle the float a few times spray some pb blaster or WD40 or something wiggle it again in its natural direction of operation and let it dry and install it back and see if it works. ...


1

Sounds to me like you have a hole in your gas tank. The fuel is pouring out and running along the frame of the vehicle. If the fuel pump is not on (ignition is off) no electricity should make it to the fuel pump. The pressure in the fuel lines would go away and the pump would stop any siphoning action. Sounds like the shop tried to fix your tank and ...



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