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Car Forum / Volkswagen / Water Cooled Volkswagen Cars / September 2006

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how many mile to a tank of fuel?

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drunknmunky - 19 Sep 2006 21:30 GMT
not long had my vw golf 1.8 auto. it is 16 years old has been looked after
and only done 85k. how many miles should i get out of full tank of fuel? at
the moment a am only gettin around 260, is there something wrong?
Papa - 19 Sep 2006 22:20 GMT
The EPA estimate for my 1988 VW Cabbie with a 1.8 L, 8 V engine is about 24
MPG city, 27 MPG highway. With a 13.7 gallon fuel tank, that adds up to
about 370 miles on a tankful of fuel on the open road, so something is
definitely wrong. Mine actually gets about 30 MPG highway, which gives me a
tank range of about 411 miles.

Check your fuel filter, spark plugs, etc.. Sounds like you need at least a
tune up.
drunknmunky - 20 Sep 2006 20:13 GMT
there is a problem and i think i have found it. there is a fuel leak some
where in the pipe where it goes into the body work before entering the engine.
trip to the garage on saturday to see if i am right. cheers for your help.

>The EPA estimate for my 1988 VW Cabbie with a 1.8 L, 8 V engine is about 24
>MPG city, 27 MPG highway. With a 13.7 gallon fuel tank, that adds up to
[quoted text clipped - 4 lines]
>Check your fuel filter, spark plugs, etc.. Sounds like you need at least a
>tune up.
Dave - 19 Sep 2006 22:47 GMT
>not long had my vw golf 1.8 auto. it is 16 years old has been looked after
>and only done 85k. how many miles should i get out of full tank of fuel? at
>the moment a am only gettin around 260, is there something wrong?

I get 33 mpg highway, about 27 city.
Jim Behning - 20 Sep 2006 01:08 GMT
Tank of gas is not a unit of measure. How many gallons pumped and are
those US gallons or some other countrys? A gallon is not a gallon you
know.

Also the amount of city driving you do and if you know how to drive
economically will affect mpg.

>not long had my vw golf 1.8 auto. it is 16 years old has been looked after
>and only done 85k. how many miles should i get out of full tank of fuel? at
>the moment a am only gettin around 260, is there something wrong?
Matt B. - 21 Sep 2006 04:27 GMT
> Tank of gas is not a unit of measure. How many gallons pumped and are
> those US gallons or some other countrys? A gallon is not a gallon you
> know.

All true but the information was more or less there to figure out what size
tank we were talking about.
Jonny - 21 Sep 2006 13:03 GMT
>> Tank of gas is not a unit of measure. How many gallons pumped and are
>> those US gallons or some other countrys? A gallon is not a gallon you
>> know.
>
> All true but the information was more or less there to figure out what
> size tank we were talking about.

Doesn't matter what the size of the tank is.  No one drives a vehicle dry.
Not knowing the amount of gas used, one can't guess the mileage.  That's the
point.
Signature

Jonny

drunknmunky - 21 Sep 2006 19:26 GMT
"a tank of fuel" is just an exprecion used in england, it mean average. will
get back to you all over the weekend and let you know the out come when i
have seen a mechanic.

>>> Tank of gas is not a unit of measure. How many gallons pumped and are
>>> those US gallons or some other countrys? A gallon is not a gallon you
[quoted text clipped - 6 lines]
>Not knowing the amount of gas used, one can't guess the mileage.  That's the
>point.
Brian Running - 21 Sep 2006 19:47 GMT
> "a tank of fuel" is just an exprecion used in england, it mean average. will
> get back to you all over the weekend and let you know the out come when i
> have seen a mechanic.

I know what you meant, and I'm sure all these other turkeys knew what
you meant, too.  I get about 360 miles "on a tank" when all's well with
my Jetta, and when it drops off that, it's either because of cold
weather or something needing attention in the engine -- for example, it
was the first indication I got that my mass-airflow sensor needed
replacement.  Yes, "miles per tankful" is a rough but useful measurement.
drunknmunky - 21 Sep 2006 19:57 GMT
cheers for your support!!! any idea what the bhp is on  mk2 1.8 auto?

>> "a tank of fuel" is just an exprecion used in england, it mean average. will
>> get back to you all over the weekend and let you know the out come when i
[quoted text clipped - 6 lines]
>was the first indication I got that my mass-airflow sensor needed
>replacement.  Yes, "miles per tankful" is a rough but useful measurement.
Brian Running - 21 Sep 2006 20:16 GMT
> cheers for your support!!! any idea what the bhp is on  mk2 1.8 auto?

No, can't help you with that.
Matt B. - 22 Sep 2006 00:51 GMT
> cheers for your support!!! any idea what the bhp is on  mk2 1.8 auto?

I'm only familiar with US/Canadian versions and UK versions are probably
similar enough but they do differ on injection versions, catalytic
converters (if they have one), etc.

A US version of that car would have put out 100hp with Digifant Fuel
Injection.  Euro versions were usually slightly higher if there was no cat.
But if it's a CIS-injected car it actually might be a little lower (when the
US went from CIS to Digifant on the 1.8 8V, the HP went from 85 to 100).  So
I'm going to guess that your engine if CIS was probably about 90hp if no
cat, or about 85 with a cat.  Your engine with Digifant would probably be
about 108hp w/o a cat or 100 with a cat.

And I suppose that like the fuel tank scenario, there's plenty of folks out
there that will probably completely invalidate my guesstimation of your
engine's HP...whatever.
Matt B. - 22 Sep 2006 00:46 GMT
> Doesn't matter what the size of the tank is.  No one drives a vehicle dry.
> Not knowing the amount of gas used, one can't guess the mileage.  That's
> the point.

That's all semantics and true in general, yes.  But you can drive it to
within a gallon of being dry and one gallon fudge-factor out of 14.5 gallons
will affect the outcome less than 10 percent.  For the distance the O.P. was
claiming on a tank of fuel, adding in that 10% difference still wouldn't
even come close to making his consumption look "OK" for that car.  Therefore
you don't need to burn the whole tank in its entirety to know something is
wrong with his car.
Jonny - 22 Sep 2006 13:21 GMT
>> Doesn't matter what the size of the tank is.  No one drives a vehicle
>> dry. Not knowing the amount of gas used, one can't guess the mileage.
[quoted text clipped - 7 lines]
> that car.  Therefore you don't need to burn the whole tank in its entirety
> to know something is wrong with his car.

And being a U.S. citizen, am aware of how people and corporations fudge the
truth to death.  This I can easily see particularly true of the "tankful"
connotation.  This can easily form a very big "ballpark" where assumptions
and their consequential conclusions may be widely different as a result.  It
makes for lots of conversation about mushy figures and conclusions.  In the
end, means absolutely nothing with a very foggy basis as its foundation.
There's plenty of other newsgroups for guessing games on mushy info.  Please
don't introduce that here.  Thanks.
Signature

Jonny

Brian Running - 22 Sep 2006 14:34 GMT
> And being a U.S. citizen, am aware of how people and corporations fudge the
> truth to death.  This I can easily see particularly true of the "tankful"
[quoted text clipped - 4 lines]
> There's plenty of other newsgroups for guessing games on mushy info.  Please
> don't introduce that here.  Thanks.

Boy, real life is sure a bitch, ain't it, Jonny?
Jonny - 23 Sep 2006 02:54 GMT
>> And being a U.S. citizen, am aware of how people and corporations fudge
>> the truth to death.  This I can easily see particularly true of the
[quoted text clipped - 6 lines]
>
> Boy, real life is sure a bitch, ain't it, Jonny?

No problem.  I know the difference between vocal conversations with people
(and those nuances and potential assumptions) and people seeking information
in a newsgroups via text written messages.  Too bad you apparently do not.
Just the facts, ma'am (Joe Friday).  My life does not exist or reflect on my
newsgroup posts.  Hopefully, not yours either.  HaND
Signature

Jonny

Matt B. - 22 Sep 2006 16:09 GMT
> And being a U.S. citizen, am aware of how people and corporations fudge
> the truth to death.  This I can easily see particularly true of the
> "tankful" connotation.

And the original poster has a hidden agenda behind his question right up
there on par with big corporations that spread lies, so therefore his
question was just as suspicious.

seriously...if he was only going to 1/4 tank instead of near empty, dontcha
think he would have said "I get 260 miles to 3/4 of a tank"?  C'mon
dude...really.
Jonny - 23 Sep 2006 02:45 GMT
>> And being a U.S. citizen, am aware of how people and corporations fudge
>> the truth to death.  This I can easily see particularly true of the
[quoted text clipped - 7 lines]
> dontcha think he would have said "I get 260 miles to 3/4 of a tank"?
> C'mon dude...really.

And you apparently think that I think people are out to dupe ya.  Nope.  Gas
gauges tend to lie sometimes.  This can lend to a disparity of 25% easily
between the gauge itself, appropriateness of the sending unit signal in
referrence to actual fuel level, downhill or uphill, left or right hand
turns as will be different depending where the sending unit and float is
inside the tank.  Happens all the time.  This can lead one down a path of
inappropriate conclusions.  There's no reason not to be exact as possible.
I provided the method to overcome this possibility.  And why would one want
this possibility in the equation if easily overcome to excricate an answer
appropriate to the original question posed by the OP?  Maybe the "joy" of
posing insufficient information to determine the emmotional and decision
making makeup of a person(s) making an answer (typical in vocal conversation
with strangers, not newsgroups).  That is, illiciting an inappropriate
answer or emmotional response.  Even a perfect stranger as is typical in a
newsgroup.
Again, we don't need that in this newsgroup.   Thanks.  Just the facts,
ma'am.
Signature

Jonny

Matt B. - 23 Sep 2006 04:43 GMT
> And you apparently think that I think people are out to dupe ya.

I don't think that.  You said that.

You are the one that said:
"And being a U.S. citizen, am aware of how people and corporations fudge the
truth to death."

So no I don't think it.  You admitted that you are suspicious about people
trying to dupe ya.
Jonny - 23 Sep 2006 15:22 GMT
>> And you apparently think that I think people are out to dupe ya.
>
[quoted text clipped - 6 lines]
> So no I don't think it.  You admitted that you are suspicious about people
> trying to dupe ya.

Am suspicious of a few people, not people in general.  People are generally
honest and forthright.  Irregardless of what I wrote.  Non-persons
(corporations) are scum regarding to truth.
Signature

Jonny

drunknmunky - 23 Sep 2006 19:10 GMT
have found the problem to my fuel problem,........ the carb is burnin to much
fuel. its a weber carb, has anybody got any expirence of them or had this
problem? can i sort it or is it a mechanis job?

>>> And you apparently think that I think people are out to dupe ya.
>>
[quoted text clipped - 5 lines]
>honest and forthright.  Irregardless of what I wrote.  Non-persons
>(corporations) are scum regarding to truth.
Jim Behning - 23 Sep 2006 21:21 GMT
A mechanic will have to fix it. In the US that was a rare carb. You
could not get a rebuild kit for it I would guess.

>have found the problem to my fuel problem,........ the carb is burnin to much
>fuel. its a weber carb, has anybody got any expirence of them or had this
[quoted text clipped - 9 lines]
>>honest and forthright.  Irregardless of what I wrote.  Non-persons
>>(corporations) are scum regarding to truth.
Papa - 23 Sep 2006 05:44 GMT
Come on, guy, don't be so serious. I think we all have a pretty good idea
now about what to expect in the way of fuel consumption for this vehicle and
engine. It's not rocket science.
Jonny - 23 Sep 2006 15:18 GMT
> Come on, guy, don't be so serious. I think we all have a pretty good idea
> now about what to expect in the way of fuel consumption for this vehicle
> and engine. It's not rocket science.

Tracking mpg isn't difficult.  Yes, I know what mpg to expect from a good
running VW Golf.  Its been my experience that a small few people
intentionally fudge stuff in newsgroups begging for exacting information.
Then, never return; or purposely avoid providing any more information in any
reply asking for same in their replies.  Not a real problem in this group.
Guess its bothering me in general way.  Not trying to be the group policeman
or anything like that.  I read the original post again, and that fogginess
of info is still there regarding an answer that can't really be provided on
the basis of that information.  I can't determine actual mpg of the vehicle,
therefore, no answer is correct based on that information to the question
posed.
Signature

Jonny

Brian Running - 25 Sep 2006 14:48 GMT
> I read the original post again, and that fogginess
> of info is still there regarding an answer that can't really be provided on
> the basis of that information.  I can't determine actual mpg of the vehicle,
> therefore, no answer is correct based on that information to the question
> posed.

He didn't ask for miles per gallon, Jonny.  He asked how many miles on a
tankful.  There is an answer to that question.  You don't know it, but
you just couldn't resist responding anyway, because you like to argue --
good for you.  But if you have no useful information, it'd be better not
to respond to the question.

If, after driving a certain vehicle for, say, one year, you don't have
some idea of how many miles you generally get per tank of fuel, then you
are so unobservant and unaware of your surrounding world that you should
not even be allowed to drive on public roads.

Simple as that, Jonny!
Joseph Meehan - 20 Sep 2006 01:14 GMT
> not long had my vw golf 1.8 auto. it is 16 years old has been looked
> after and only done 85k. how many miles should i get out of full tank
> of fuel? at the moment a am only gettin around 260, is there
> something wrong?

   First I suggest measuring units of fuel not tanks.  Fill it up record
the miles.  Next fill up record the miles and the gallons liters or
whatever.  Divide the miles by units and do this two more times.  If all
three are close, you now know what it is doing.

   Tanks are not good measures.  Not only do we tend to refill an not the
exact same level as indicated on the gas gauge, but gas gauges can change
calibration as the age.  You might be doing a lot closer to what you use to
get than you think.

   As suggested, start with standard maintenance.  BTW if you have the
original timing belt, you are on borrowed time.

Signature

Joseph Meehan

Dia duit

Jonny - 20 Sep 2006 14:51 GMT
> not long had my vw golf 1.8 auto. it is 16 years old has been looked after
> and only done 85k. how many miles should i get out of full tank of fuel?
> at
> the moment a am only gettin around 260, is there something wrong?

I've never heard of anyone driving a car until the fuel tank is dry.  IE -
"a full tank of fuel".

My 88 VW has 12 gallon tank.  At just under a 1/4 per the fuel gauge is when
I fill it again.  This works out per the amount of gasoline stated by the
pump at just under or at 9 gallons.  Typically, I drive 300+ miles on that.

Fill and top the fuel tank without spillage.  Drive the vehicle 260 miles.
Immediately fuel the vehicle the same way again.  Write down exactly how
many gallons including tenths.  Divide 260 by that figure.  That is the
miles per gallon figure over the terrain you chose to drive in including
city, stop and go, rural, highway, hilly and flat terrain.  Include that mpg
figure and your typical driving terrain.  Then, ask the question again.
Stating the year of the vehicle is alot easier to read.  IE - 1990 VW Golf.
Signature

Jonny

nono2010 - 20 Sep 2006 16:16 GMT
my car vw golf vr6 2.8L m94 auto , need 11 galon each 425 K.m
Jonny أرسلت:
> > not long had my vw golf 1.8 auto. it is 16 years old has been looked after
> > and only done 85k. how many miles should i get out of full tank of fuel?
[quoted text clipped - 15 lines]
> figure and your typical driving terrain.  Then, ask the question again.
> Stating the year of the vehicle is alot easier to read.  IE - 1990 VW Golf.
Matt B. - 21 Sep 2006 04:26 GMT
> not long had my vw golf 1.8 auto. it is 16 years old has been looked after
> and only done 85k. how many miles should i get out of full tank of fuel?
> at
> the moment a am only gettin around 260, is there something wrong?

As others have said, a tank of fuel is not very specific.  However since
it's 16 years old I'm going to assume it's a 1990 model which makes it a Mk2
(and assuming it's not a convertible which would be a Mk1) and I'm going to
assume it's a 14.5 US gallon tank (AFAIK all Mk2s were that size).

That said, my 1.8 8V Mk2 GTI 5-speed gets 29.5 miles/gallon (again, US
gallons, not imperial, and not liters) and that means I get just over 400
miles to a tank.  You have an automatic and those usually get less, but not
THAT much less.  You're talking 17-18mpg there.  That's just awful for a
Golf.  Something is wrong for sure.
 
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