Author Topic: Problem when filling with diesel  (Read 4833 times)

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Problem when filling with diesel
« January 30, 2009, 10:33:01 »
This has happened a few times recently when I'm filling up with diesel.

Fuel in tank before I start refuelling - approximately 2 gallons (9 litres) so plenty of room for fuel.

Put fuel nozzle in filler neck to the rubber protector.

Squeeze trigger to start dispensing fuel and almost straight away the fuel dispensing cuts off.

Move nozzle out a bit and start again.  Sometimes the fuel dispenses and sometimes it just cuts off again.

Now ever time I fill up I have to just have the nozzle in the filler with a gentle squeeze of the trigger.

When this has happened previously it was because of the fuel in the filler neck automatically cutting of the pump to prevent spillages.

Anyone else experienced this, including petrol cars ???




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Re: Problem when filling with diesel
« Reply #1 : January 30, 2009, 11:05:25 »
I've also got this problem on my pertrol car. Some gas station will cut off directly and some not.

I just put the nozzle a bit out. Don't be scared, the fuel won't fly out the tank ;)

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Re: Problem when filling with diesel
« Reply #2 : January 30, 2009, 11:30:27 »
Try putting the fuel in sideways by holding the nozzle not down, but to the right a bit
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Re: Problem when filling with diesel
« Reply #3 : January 30, 2009, 13:14:35 »
Yep. I used to get that a lot with the Impreza, haven't really noticed it with the i30, but that it probably cos someone sent me an email explaining that you should always fill up with petrol first thing in the morning so that the undergrounds tanks are colder and you get more liquid less gas and in the same vein, to only half squeeze the trigger to fill up, giving a more "complete" fill.  Stingy Scottish person that I am!!
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Re: Problem when filling with diesel
« Reply #4 : January 30, 2009, 13:57:41 »
you should always fill up with petrol first thing in the morning so that the undergrounds tanks are colder and you get more liquid less gas

Has this even been proved???

Tanks are usually xx feet/metres below ground so any change in air temperature shouldn't have any effect, should it.

Also, along the same vein as Bumpkin.  You should fill up when it's cold or if it is a hot sunny day select the pump in the shade or wait until evening when it's cooler (Are they taking the michael .  As if it ever get hot in UK).

I know Trading Standards do regular pump checks and there is a +/- tolerance.  I wonder if this is to allow for this?
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Re: Problem when filling with diesel
« Reply #5 : January 30, 2009, 21:08:49 »
Hi eye

I've found the same problem filling my diesel.

What you have to do is press down on the handle so that the nose of the nozzle is as high as possible in the inlet.

I've found that as soon as you lift the handle and the nozzle drops to the bottom of the inlet it cuts out.

I hope that explanation is comprehendable, if not think of it as a see saw. Where the lip of the inlet is the pivot point.

Also are you using Hi flow or normal flow pumps?

Regards

Daniel

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Re: Problem when filling with diesel
« Reply #6 : January 31, 2009, 07:17:13 »
Hi, never had this problem with the i30, are you right or left handed !! I stand behind the filler and hold the fuel nossel with my left hand, inserting nossel fully into hole !!!!!! and having the pump same side as the tank.

My previous car Chrysler Grand Voyager was verry tricky had to get nossel just right.

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Re: Problem when filling with diesel
« Reply #7 : January 31, 2009, 10:10:46 »
Has this even been proved???

Tanks are usually xx feet/metres below ground so any change in air temperature shouldn't have any effect, should it.


The ground absorbs a lot of heat from the sun, so at midday the ground temp is at its hottest.
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Re: Problem when filling with diesel
« Reply #8 : January 31, 2009, 10:23:04 »
Has this even been proved???

Tanks are usually xx feet/metres below ground so any change in air temperature shouldn't have any effect, should it.


The ground absorbs a lot of heat from the sun, so at midday the ground temp is at its hottest.

Surely not in the UK :lol: :lol: :lol:
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Re: Problem when filling with diesel
« Reply #9 : January 31, 2009, 10:28:12 »
You are being a bit harsh on our weather there eye, it does in summer reach the mid 20's after all and remember that it only feels cooler usually due to the wind, however it is the same sun as they get everywhere else!!
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Re: Problem when filling with diesel
« Reply #10 : January 31, 2009, 10:52:32 »
You are being a bit harsh on our weather there eye, it does in summer reach the mid 20's after all and remember that it only feels cooler usually due to the wind, however it is the same sun as they get everywhere else!!

I accept what you are saying but.... for the ground to absorb enough heat to have an effect we need to have more than a few days of good summer temps.
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Re: Problem when filling with diesel
« Reply #11 : January 31, 2009, 11:10:40 »
My role at work is Thermal Analysis which has nothing to do with underwear but is about the effect of temperature on chemicals and samples and you would be surprised at the effect 1 or 2 degrees centigrade has on vapour pressure and the equivalent liquid to gas and gas to liquid reactions.

Have you ever experienced a hiss when releasing your fuel cap on a hot day when the tank has been close to empty?  That has nothing to do with AIR temperature but is about the vehicle body absorbing the heat from the sun in the same way that the ground will. 

Granted they put the tanks below ground which does negate the effect to a certain extent, but there will still at certain times of day and year be times when vapour pressure is higher than liquid pressure, the pumping action then alters the pressure variable and you are pumping re-condensed fuel which has a different liquid volume to the real liquid measurement, but the pump aint that clever.  That is why the pump has a tolerance value.

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Re: Problem when filling with diesel
« Reply #12 : February 01, 2009, 01:42:07 »
I got an email with all these tips about filling up at the cool time of the day etc.. and posted the findings (Must have been on h-f forums because I can't find it with a search on here..)

Anyway, some one debunked most of it (one of their mods I guess  :rolleyes:) and then I found a web site about all the different hoaxes and miss information on the net ..

But guess what .. (I can't find the link amongst my 1000 odd links  :P :rolleyes: :mad:)
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Re: Problem when filling with diesel
« Reply #13 : February 01, 2009, 09:01:13 »
Been to top up the fuel today.

Guess what - No problem.  Filled ok, no cut out etc etc etc.
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Re: Problem when filling with diesel
« Reply #14 : February 05, 2009, 15:03:59 »
Yeah, this happened to me on my petrol too.

At a Mobil station, it kept clicking every 2 seconds and annoying the hell out of me. So I tried a few different position,s and the best one to use, I found, was to not jam the nozzle into the car's filler. Pull it back about 10mm, then it worked fine. Once the tank was filled, it still clicked, just not every 2 seconds!!  :D

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Re: Problem when filling with diesel
« Reply #15 : February 06, 2009, 03:53:29 »
Duckman may have hit on something here, can we compile a list of fuels (petrol and diesel) that have this cut-off problem.

Thinking about where I have seen this problem, the last time I had it was with the Subaru at a supermarket (ASDA) station, I have only ever filled the i30 with Shell and not seen it at all, but perhaps this poses the question of different additives causing different levels of foaming (even in petrol) from different suppliers?
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Re: Problem when filling with diesel
« Reply #16 : February 06, 2009, 06:04:14 »
It's a bit odd as I can't recall having a problem with this and I use a variety of different stations and brands of fuel..Mainly Caltex and BP but also occasionally Shell..
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