Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [fuel-tank]

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

157 questions
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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 there valid reasons why you should avoid running…
Ola Eldøy
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10 answers

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 with my old oil. It's a regular gas car, not…
Rob
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4 answers

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 60l capacity, I had about half tank full. The pump…
tolkinski
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5 answers

How to (relatively safely) store a small amount (200 milliliters) of gasoline for up to a month?

In my country of residence (developing nation) I sometimes see people stopped alongside the road because they apparently forgot to buy fuel or couldn't afford it. I also would like to be able to push a bit further on my motorbike since the fuel…
Sebastiaan van den Broek
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21
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5 answers

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…
Daniel Griscom
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16
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2 answers

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 Chevy. I took it to the dealer, they hooked up to…
No Clutch
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4 answers

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 anything.
David Ly
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11 answers

Why does stopping and starting a car in heavy traffic burn more fuel?

Why does stopping and starting a car in heavy traffic burn more fuel than simply coasting on a highway at 55 mph?
user18889
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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 bottom half of the tank. I felt that keeping a…
Anwar Elhadad
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2 answers

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 so the car isnt that loud. My question is: would…
MeltingDog
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Are these holes at the bottom of a 1965 VW Beetle Fuel Tank part of its design? Does something go there?

Hi there, I have a 1965 VW Beetle (in Australia) that I am trying to repair. To get it running, it just seems that I just need to repair two holes at the bottom of the fuel tank (it is leaking petrol/gas). Are these holes part of the design (they…
Terrence J
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Is it bad on your fuel pump to have your tank run low?

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 a tank dry before fill up damage your fuel pump?
Hᴇʀʙɪᴇ
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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:
Petah
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8
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2 answers

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?
yellowblood
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6 answers

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 must be purchased, which is expensive. Would…
MeltingDog
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