A container within a vehicle that stores fuel for a vehicle with an internal combustion engine.

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63
votes
9answers
42k views

Does the amount of fuel in the tank matter?

As long as there is some fuel in the tank, does the fuel level matter? In other words, is it advisable to make sure the tank is mostly full most of the time, or is this just silly? In other words, are ...
15
votes
2answers
12k views

Why would a new gas cap cause the “check engine” light to shut off?

This happened to a friend of mine: The "check engine" light came on in his truck (Toyota). He replaced the gas cap and the light shut off. Then I also had a "check engine" light come on in my 1994 ...
14
votes
4answers
86k views

How important is a fuel cap?

I lost my fuel cap a couple months ago and haven't bothered finding a replacement. I haven't noticed any issues with it, but I'm wondering whether it's causing any damage or reducing gas mileage or ...
11
votes
2answers
9k views

Muffler off car. Safe to drive with exhaust open underneath?

So leaving work yesterday I heard a clang! - the muffler simply fell off. Further inspection revealed a lot of rust in one particular area on the pipe. Thankfully the forward muffler is still intact ...
9
votes
2answers
129 views

Is it bad on your fuel pump to have your tank run low? [duplicate]

Ive always been taught it was bad on your fuel pump to run your vehicle tank close to dry as it would damage the fuel pump but Ive never seen any validation to support this statement. So will running ...
8
votes
4answers
67 views

Is there something I can use to replace a fuel gauge sender float?

The little ball that's attached to the fuel gauge sender in my car has a hole in it meaning that the fuel gauge isn't working. It is not possible to buy a replacement float - the whole sender unit ...
7
votes
1answer
678 views

Why is there a hissing noise when I open my petrol cap?

When I fill up with fuel, there is often a loud hissing noise, as if you are opening a bottle of fizzy drink or something whenever I unscrew the petrol cap. It also seems like there are vapours ...
6
votes
2answers
388 views

How easy (is it possible) for an amateur to change the drain tube of a motorbike fuel tank?

The bike is a 1998/99 Honda CBR 600F. The drain tube seems to be corroded inside the fuel tank, based upon 2 symptoms: Filling the tank more than 3/4 full causes petrol to drain from the drain tube ...
6
votes
1answer
55 views

How to remove tank pad glue?

I had an old and worn out motorcycle tank pad (protector) and I want to replace it with a new one. It's too late to remove it together with the glue by heating it, so now I need to find a way to ...
6
votes
1answer
168 views

Alternative fuel consumption metric to MPG to measure actual engine efficiency?

MPG is all very well and good, considering that most people that are concerned about their fuel consumption tend to want to get as many miles as they can out of it before they need to fill up again. ...
6
votes
1answer
56 views

Paintless dent removal for old tank

Is there a way to remove dents like this on the right side of the image? I've seen suction tools but the reviews are bad. Any ideas?
6
votes
1answer
42 views

1998 Oldsmobile Intrigue - Takes fuel super slow

I think someone tried to siphon my gas tank and now it fills super slow. Like ten minutes slow. So what part might be damaged and would it be in the fuel tank itself or in the fuel tank neck?
6
votes
2answers
131 views

Honda EU3000is K1 Generator - Replace Gas Tank

I need to replace the fuel tank on a 3 year old Honda EU3000is K1 Generator. Unfortunately gas was left in the fuel tank and the tank is now rusted. I was able to get the generator working again but ...
5
votes
2answers
2k views

How to know how much fuel is left when the light turns on

In general, where can one find information about the quantity of fuel that is left in the vehicle's tank when the warning light turns on? More specifically, in a Suzuki Swift GLX (auto) 2010 model?
5
votes
2answers
1k views

What is this pipe coming out of the petrol tank under the seat

Sorry, this is a newbie question, but what is this pipe coming out from the petrol tank under the seat? The bike is a 1989 Kawasaki ZZR 250:
5
votes
2answers
58 views

Engine sputters when turning left corner

In my 1986 Ford F-150 (carbureted) when I go left around a corner, the engine sputters. Feels very similar to running out of gas, but it picks back up once I stop turning. Only happens in a sharp ...
5
votes
1answer
39 views

Fuel system question

See red arrow in the image. I place fuel additive in my car, all of the additives went into that pipe (in the red arrow image) because i didnt know how to place it. Will it still work? or just a ...
5
votes
2answers
107 views

Is it a good idea to top off the gasoline with higher octane fuel in a specific case?

When topping off the gasoline in a vehicle that is rarely driven (100 miles/month), is there any advantage in topping it off with a higher octane gasoline? I've heard stories that the octane of ...
5
votes
1answer
342 views

The tray under my gas tank is dented. What should I be aware of before draining and removing my gas tank?

I dented the tray under my gas tank, reducing my capacity by about a gallon. It's a wide dent; there's no damage to the plastic. I'd like to drop the tank and pound out the dent in the aluminum tray. ...
5
votes
1answer
84 views

Inaccurate fuel gauge

Is there anything I can do about my inaccurate fuel gauge? Today it was at the bottom of the red zone, and I put in 9.5 litres and it went up to half a tank, but the tank is 42 litres. I have an ...
5
votes
2answers
567 views

2004 Hyundai Elantra stalling when tank is full

For the first 15 to 20 minutes after starting my Elantra it idles very low and every couple minutes, idling our not, it very nearly stalls. Per the tach, the rpm dips significantly for about 2-3 ...
4
votes
2answers
62 views

Engine stalls out when I top off my jeep with gas

When I top off my gas (till the pump shuts off) fuel spurts out. It also wants to stall out when I turn it on. It happens more if I fill it up from empty, but still happens when I fill it from half a ...
4
votes
3answers
5k views

How to remove all the fluid out of my motorcycle fuel tank?

I will be cleaning out my motorcycle tank using electrolysis. First, I have to remove all the gas from the tank, and then do the cleaning and then remove all the water that's left over, but I have a ...
4
votes
1answer
52 views

How can vehicles run on E?

Sorry if this topic is too open ended I'm new to this site. I am studying engines and how they work and I keep wondering, how do cars with no gas still manage to run for a few extra miles? If you ...
4
votes
1answer
7k views

What is the name of the part to which the gas cap connects?

I'm trying to find a replacement part for a 2005 Saturn ION. There seems to be some detachable receptacle type thing to which the gas cap screws in. The gas cap itself is fine, but one of the plastic ...
4
votes
2answers
86 views

Forgot to use stabilizer with motorcycle

I forgot to fill my motorcycle tank with stabilizer and now it is way to cold to ride. Should I still put the stabilizer in it? I read the instructions and it is not recommended to use it if the ...
4
votes
3answers
2k views

Two-stroke engine won't start - water in gas?

I realize this isn't a car question. There doesn't seem to be an appropriate Exchange for it, so I'm trying it here. I have a two-stroke engine (for a rototiller), and it worked more-or-less well ...
4
votes
1answer
31 views

Tank Dents - 69 Yamaha L5T [duplicate]

I've been trying to get a larger dent out of my old gas tank for a while now and am having no luck. I've been trying the hot glue method and am having no luck. This tank seems to be too thick for this ...
4
votes
2answers
192 views

Can't get gas in my truck

I have a 2004 Chevy Silverado. When I go to put gas in my truck it stops after like 3 dollars worth of fuel. Since I know it's not full, I click it again and gas shoots back out at me. What do you ...
4
votes
1answer
108 views

2001 Ford F150 Serious Fuel leak

I have a 2001 F150 XLT. I recently had my fule tank replaced because it had a leak. The garage that did the work did say the tank had a hole. Yesterday I picked the truck up. they had put a used tank ...
3
votes
2answers
5k views

Filling diesel vehicles - Vent trick

According to this site it is possible to get more diesel fuel in your tank by pressing in the vent latch on the filler neck: Look inside the filler neck and you can see a button, see below for ...
3
votes
3answers
165 views

Leaking gas tank from rust - needs sealed. What materials should I use and how should I do it?

I have a gas tank that is leaking a few drips at a time. It doesn't seem like much of a problem except when the tank is at half full or past, and I can quickly lose 2-3 gallons overnight from the ...
3
votes
3answers
6k views

Determining how many miles can be covered on full tank [closed]

I'm interested in the following cars, but the questions apply equally well to any car: Audi TT Lexus IS 200 (SE or not?) I'm finding it difficult to determine the following: How do I figure out ...
3
votes
1answer
1k views

Cause of P0440 on 1999 Subaru Legacy Outback

I get a P0440 code on my Outback on almost every highway trip over 5 miles. Is this caused by the leak in the gas tank or could it be something else?
3
votes
2answers
46 views

Temporarily stop fuel going to carburetor

A couple of days back I noticed my 2011 Yamaha Scorpio had begun leaking fuel whilst parked up. Upon close inspection it was just a slow drip coming from a tube near the rear of the bike. After ...
3
votes
1answer
549 views

Cleaning the gas cap to rule out that tightness is the cause of the “check engine” light

The gas cap on my 2003 Pontiac Vibe used to make a slight sound of "pssstt..", the sound of some air either entering or exiting from the tank as I was opening the cap. Two months ago, the gas cap ...
3
votes
1answer
2k views

Possible fuel filler leak in F-150 truck

I have a 2001 Ford F-150 pickup. When I refueled it yesterday, I noticed a strong gasoline smell and an oily liquid (presumably gasoline) dripping down off the bottom of the fuel tank. Only a small ...
3
votes
1answer
251 views

Cleaning a Jerrycan

I have a couple of 10 Litre steel jerrycans which I used for draining kerosene (UN1223 28sec burning oil) from a tank. After disposing of the kerosene I left the open jerrycans upside down over some ...
3
votes
0answers
18 views

Briny/salty smell from fuel tank?

I've had some trouble with my lifter pump and so I removed the back seat of my Mk1 Golf/Rabbit to access the pump and fuel tank. As I was removing the 'lid' to access the tank the aged seal/gasket ...
2
votes
4answers
3k views

How can increase the fuel-efficiency of my vespa bike?

My factory Vespa bike can travel around 150 KM with its 200 CC engine and 8 lt. of gasoline. What are the suggested modifications to increase the fuel efficiency that one refill will cover? Without ...
2
votes
1answer
2k views

Remove Dent From Steel Motorcycle Tank [duplicate]

I was in a motorcycle accident and when I crashed my knee dented my tank on impact. Needless to say my knee is pretty bad but my tank only has a dent in it. Is there a trick for removing a large ...
2
votes
2answers
124 views

Is there any protective sealant or bladder within a motorcycle tank?

I am learning metal work and will one day build my own motor cycle tank. Do these have any internal sealing or bladder?
2
votes
1answer
88 views

How much gasoline fuel to keep in tank of low use vehicle

For a low use vehicle, it was historically recommended to keep the gas tank full. The reasons were twofold: Prevent rust from forming in the metal gas tank Prevent water from forming in the gas ...
2
votes
2answers
183 views

2000 Honda Civic fuel tank problems

Essentially there are two main symptoms: Fuel gauge: I usually drive about 260 miles before refilling. Lately the fuel gauge has been staying at full for the first 150 miles or so before starting to ...
2
votes
1answer
554 views

Volume of fuel reserve in MB E200 W211 2004

I wonder how much fuel is still left in the reserve tank when the yellow fuel reserve indicator lights up in Mercedes-Benz W211 E200 Kompressor (2004).
2
votes
1answer
132 views

What are the resistance values for a 1970s GM fuel level sender?

I'm looking for a chart that will tell me the resistance values for each fuel level. There are a few such charts like that for resistance readings on coolant temperature senders. Does anyone know of ...
2
votes
2answers
91 views

Fuel gauge not accurate

This does not always happen but it has happened twice in last 6 months. My fuel gage is accurate most of the times but these two times it was showing that there is 10-15% gas in my tank but my car ...
2
votes
2answers
1k views

Volkswagen Golf 2005 - Fueltank cap does not open

I have a problem with my golf 5, earlier someone has tried to steal gas from my tank, but failed this, when I try to open my fueltank cap from the inside (button on the driver door) i can hear the ...
1
vote
2answers
133 views

Why is there no explosion risk while there is a gasoil pre-pump immersed in the fuel tank?

Attached is the picture of a BMW 318 TDS Gasoil Prepump. That prepump is literally inside the sealed fuel tank. And it contains a small electrical motor, in which 12V of electricity is sent, mainly ...
1
vote
2answers
373 views

How dangerous is it to carry oil/gasoil/gas at the back of one's car?

Does it present incredible risks in case of accident ?