Questions tagged [fuel-tank]

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

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14
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8answers
6k views

Do cars consume less gasoline when the tank is full?

I noticed While driving my car the fuel refills last me a lot longer when I go for the full tank over the half tank. I feel that it takes a lot longer to go through the upper half of the tank than the ...
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1answer
41 views

Diesel engine fuel return pressure — how high above the engine can the fuel tank be

This is specifically regarding an inline six cylinder direct injection, external injectors, and injection pump. Circa 1998. Just a stock standard Diesel motor.... But in general also. The bush camp ...
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0answers
31 views

Issue pumping gas after using a gas can on 2017 pacifica

I used a gas can to fill my tank, it is a capless fuel filler. I was not aware that there was a funnel I should have used. Ever since doing this the fuel pump at the gas station cuts off as soon as ...
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1answer
28 views

Can gasket sealant be used to seal friction fuel connections?

I have a two stroke trimmer with a plastic fuel tank and plastic fuel lines. At some point, these lines have been replaced with new lines that don't quite fit in the holes the old lines did (~0.5mm ...
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2answers
88 views

What are these parts? Underside of Mercedes Sprinter close to fuel tank

These are from underside of Mercedes Sprinter close to fuel tank. One goes to the engine, the other to a diesel heater. I think they're too small to the fuel filters or pumps. What are they?
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2answers
103 views

Under what conditions would you consider driving without a fuel tank heat shield?

I'm more than a little surprised that searching for "fuel tank" and "heat shield" brings up no questions on mechanics.SE. Indeed the very keyword "heat shield" has not ...
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0answers
22 views

Fuel stains around outside of fuel cap?

I noticed some fuel stains on the paint around the fuel cap one day. I didn't think much of it - maybe that I had over-filled the tank and it had sloshed out the filler neck while driving, so I ...
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0answers
52 views

Water and methyl in fuel tank

The water in my fuel tank is getting picked up by the pump when I go uphill or downhill. I added a half pint of methyl hydrate, but that only raised the water level. The car will stall and spit for 5 ...
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0answers
28 views

In a 2004 Subaru Outback H3.0 (LL Bean) is there any way to repair a leaking fuel tank without removing it?

My fuel tank is leaking. On a 2004 Subaru Outback H3.0 (LL Bean) you need to remove the entire rear axle and exhaust components (and probably a few more things) to remove the fuel tank. My Check ...
2
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1answer
56 views

OBS Ford fuel quantity discrepancy

I recently purchased a 1997 Ford F-250 Heavy Duty with the 7.3L Powerstroke diesel and 212k miles on it. Two fuel tanks (front and rear) with a two-way selector on the dash. When I drove it off the ...
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0answers
44 views

Where can I find reliable place to find specifications about my car?

I have a Toyota Corolla (Fielder - 1ZZ-FE). I'm struggling to find a place where I can find detailed specifications about other parts. For example, I would like to know the transmission type (CVT or ...
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0answers
94 views

How does this fuel tank assembly work?

I have a mini excavator (Terex HR16). I am trying to understand how the fuel tank assembly works. First some context: I was experiencing intermittent engine sputtering, sudden loss of power, and ...
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0answers
13 views

1999 4 Cylinder Gas Tank Box With multiple connectors

Hi I am replacing rear suspension components on my 1999 4 Cylinder LE Toyota Camry and realized that Toyota engineered this model's undercarriage in a way to charge consumers more for PARTS & ...
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1answer
48 views

Permanent repair on fuel tank

I have a 2003 Chrysler Town & Country 3.8L with a punctured (plastic) fuel tank. I cannot find a replacement fuel tank. ~4 months ago I used a repair kit. I cleaned the tank, used coarse ...
2
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1answer
43 views

2005(B6) Audi S4 - Gas gauge

The gas gauge in my audi just kinda stopped working. By kinda, I mean that, before when I would fill up gas all the way, the gauge would sit really close to the F mark. Now, whenever I fill up and ...
2
votes
1answer
71 views

Is this epoxy? And does it look like a professional repair or DIY?

Howdy! So I have a 2016 VW Jetta with a leak in the gas tank. I think I found the hole, which is in the dark spot in the photo, but my question is this: is the yellowish material around the dark spot ...
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1answer
622 views

How safe is it to drive with no muffler? [duplicate]

I drive a 2007 Nissan Versa with 248,000 km on it. The other day, as I was driving, The section where my muffler pipe should be welder or otherwise attached to the flange broken off. Basically my ...
28
votes
10answers
11k views

Top off gas with old oil, is that bad?

When I change my oil I don't like going all the way back to the station to drop off the old oil and I don't want to pour it in the river, so I put 17 gals of premium in my 18 gal tank and then top off ...
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5answers
1k views

Fuel sender works when outside of tank, but not when in tank

I've bought a 1988 Honda Accord (3rd gen) with an issue where the fuel gauge always reads full. I removed the sender unit from the tank and cleaned it with some contact cleaner (it was kind of copper ...
2
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0answers
700 views

Mixing DEF with Diesel

DEF (Diesel Exhaust Fluid) is a solution of urea and water. What exactly happens if DEF is inadvertently added to the diesel tank? This YouTube video: https://www.youtube.com/watch?v=aLwcm4PjyIs ...
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1answer
87 views

Fuel Tank Capacity

I have a Pulsar 150 2016 model motorcycle. Recently I started filling full tank fuel in my motorcycle. Yesterday I filled 17.4 litres of fuel with around 1 litre already in tank. My bike took 18.5 ...
2
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3answers
66 views

I design custom motorcycle tanks, will the weight of the body filler used offset the balance?

I have done a couple of custom 3D tanks, utilizing body filler mostly, then carving out. I don't use loads of it, but if one side of the tank has the design, can it offset the balance? I just do not ...
0
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1answer
67 views

When i crank my 94 Chevy S 10 it leaks gas

It just happened today. My truck shut off and acted like it was out of gas so i added some gas to it. When i started the truck up it began gushing fuel somewhere between the filler to the tank. Also ...
4
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3answers
9k views

Getting Stale Gas Out of a Gas Tank w/out Dropping the Tank

I've got an old Chevy ('75) with a top-opening to the gas tank. The car has been sitting for 3 years without use. I want to clean the stale gas out of the tank. I have drained it as well as I can by ...
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0answers
74 views

Why does the gas station pump keep shutting off mid-refueling?

This is a similar question to Why does my gas not fill all the way?. I have a 2017 Jeep Grand Cherokee. It seems to depend on the pump I go to, but sometimes I have a lot of trouble getting the pump ...
2
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1answer
83 views

Red zone fuel level

When the fuel level in my car comes to the red zone I feel the running more heavy, the car needs more throttle and is more difficult to gain speed. Is this something normal??
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0answers
210 views

Car wont take gas

When I go to gas station and take gas cap off, i feel and hear pressure towards gas cap. Then when i go to putting gas in my car, withing 30 cents of pumping, gas is overflowing. So what i been doing ...
20
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5answers
20k views

Should I really keep my gas tank at least half full?

I've seen a number of sources that state you should keep your car's gas tank at least half full, some of which saying it's only important in winter. Some examples: http://www.osceolagarage.com/why-...
6
votes
2answers
2k views

Any techniques to remove rust from inside fuel tank without removal

Last night I ran through the entire ignition system of my 1985 Mk1 Golf Cabriolet 1.6 (Carb) Auto and managed to get a nice strong healthy spark. This allowed me to start the car on Easy Start ...
0
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1answer
68 views

Does filling the tank to the maximum during heat waves induces a explosion risk?

I recently saw a picture stating that filling your tank to the maximum during heat waves may induce an explosion. The transcript of the picture : Warning ! Due to increase in temperature in ...
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0answers
90 views

How fuel gauge works?

Can any one help me to understand the working theory for this fuel gauge. Is this similar to old type or does it has a digital sensor? This sensor belongs to Man-vehicle, its labeled as man tx-d683. ...
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2answers
92 views

my chevy cavalier 98 has not been driven since 2005 and gas tank has been empty..any hope for it

my 98 chevy cavalier has not been driven since 2005 and has sat with empty gas tank..do I have to install new gas tank?
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4answers
1k views

No drain in gas tanks?

According to my research most cars do not seem to have a drain in the gas tank. This is obviously a problem because there is no way to get water and sediment out of the bottom of the tank if there is ...
5
votes
3answers
1k views

Is a higher concentration of fuel system cleaner bad?

In my case I used Gumout. On the back of the bottle it says this: Add entire bottle to nearly empty gasoline tank at time of oil change. Refill tank with 18 to 35 gallons of gasoline. Do not ...
2
votes
2answers
43 views

Fuel needle problem

Fuel needle won't go at full even if the fuel tank is full. It stays in the mid point of full and empty. Is there problem in the fuel tank or the fuel needle??
2
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2answers
76 views

Identifying contents of fuel can

The farm has a green jerry can that was filled with either gas or diesel last year. I'm not certain from smell alone which it is. What's a good way to identify it? Pour out a tiny amount and set ...
2
votes
1answer
2k views

Does every modern car have an evap vent valve?

My car has all the evap system, canister, and solenoid valve but as I am seeing on internet, people have [a] solenoid valve on their outlet vent on canister too which open and close by ECU to let the ...
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1answer
3k views

Why gas build up in tank?

My car is building gas when I open the gas tank it releases the gas, I know all about purge system and I have tried different cap and also different vapor canister too but problem still insists, for ...
3
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0answers
47 views

Fuel filler pipe issue

A wasp nest fell down my fuel filler pipe (don't ask). I need to know how hard it will be to take the fuel filler pipe off so I can get the wasp nest out? Can't put gas in my car until i do. Any ...
7
votes
3answers
2k views

Does the mileage indicate the quality of the gas?

I've been getting gas for my 2010 Ford Taurus at Get-go and always was able to get a full tank. The front panel indicated 420 miles left to empty Example: But now for a couple of months, I wasn't ...
3
votes
1answer
289 views

How does the pump know the tank is full? [duplicate]

Question has been bothering me a while. When putting fuel at any gas station, when the tank is almost full, the pump just stops and makes a 'THUNK' noise. I was wondering... how the hell does the ...
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0answers
438 views

Cars with single fuel type how retrieve tank level to dashboard?

I see that BiFuel cars had fuel level and type readable from ECU by using pid 0151 and 012F. Cars with monofuel don't have this pids sensors, so how the dashboard retrive the fuel level? Maybe the ...
3
votes
1answer
3k views

Dirty tank or bad fuel pump

I have 2000 c240. I've been struggling with starting problem for the last 5 days. The story began when I couldn't start the car after driving for 5 minutes. I turned on and off 4-5 times after which ...
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2answers
5k views

Mystery White / Gray Dust on Motorcycle Gas Cap

This is pretty bizarre. I thought I knew a whole lot about fuel tanks, but this one has me stumped. I'm working on a 2003 Suzuki SV1000S motorcycle. Vehicle has fuel injection. The vehicle was ...
24
votes
4answers
10k views

Small amount of wrong fuel type put in the tank

The guy who works at a gas station was filling up for brief moment wrong fuel type in my car until he realized what he did. I own Citroen Xsara 1.9d, make year 2000. Before filling the tank which is ...
7
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3answers
3k views

Driving on full tank

Should filling up the tank to full capacity be avoided if possible for the fact that it increases the weight of the vehicle which could reduce the fuel efficiency?
3
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2answers
435 views

2008 Sebring Convertible fuel tank won't take fuel

My wife's car is a 2008 Chrysler Sebring convertible. The problem is that it won't accept more than 3/4 tank of fuel. I took it to a local mechanic and was told it had to have a new fuel tank at a ...
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0answers
140 views

Are auxiliary fuel tanks still an option?

My 2014 Honda pilot gets about 20MPG, but when I am towing the camp trailer that falls to between 10 and 13MPG. I have seen a couple different values as to the actual fuel tank capacity, in real life ...
2
votes
2answers
2k views

Motorcycle Gas Pump Auto Shut-Off

Are the automatic shut-off systems at gas stations compatible with motorcycle gas tanks? Specifically, the 2017 Honda Rebel 500, which is a cruiser with a 2.96 gallon gas tank. Here is a video of a ...
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vote
2answers
118 views

Damaged Tank, How did it happen

As the title suggests there was this dent on my motorcycle and I'm not sure what happened. Any help is appreciated