GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Pumping gas issue

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Old 07-09-09, 04:12 PM
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GS4_Fiend
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Default Pumping gas issue

Does anyone here have a problem with pumping gas? The gas nozzle keeps shutting off. Why?
Old 07-10-09, 07:08 AM
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esolo98
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Is it always at the same gas station? I run into that problem with certain stations and others it works fine. I think it is just the pump
Old 07-10-09, 08:48 AM
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This happens to me when the gas handle is not pushed all the way down. If you have the handle up in the air at all it will shut on and off. Just make the sure its all the way down. The bottom of the handle touches the gas door opening. Hope this makes sense..
Old 07-10-09, 09:43 AM
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habeeb89
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This happens to me all the time too, you have to hold the pump at a certain angle on mine for it to work without shutting off every 10 seconds.
Old 07-10-09, 10:24 AM
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Originally Posted by esolo98
Is it always at the same gas station? I run into that problem with certain stations and others it works fine. I think it is just the pump
Maybe it is the pump. But I go to the same gas station every week. But I do use different pump. I'm going to pay attention next time when I go get gas.

Originally Posted by tmf2004
This happens to me when the gas handle is not pushed all the way down. If you have the handle up in the air at all it will shut on and off. Just make the sure its all the way down. The bottom of the handle touches the gas door opening. Hope this makes sense..
Yes, it does makes sense. What happens is usually it gets to the last gallon then it shuts off. Let say the gas tank could be filled up with 10 gallons. It would fill up to lik 8.5-9 gallons then it would shut off. Then I would hit it again and it would shut off like around 9-9.5.

BTW, I put it in automatic mode at low speed.
Old 07-11-09, 03:42 AM
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newgsman
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Originally Posted by tmf2004
This happens to me when the gas handle is not pushed all the way down. If you have the handle up in the air at all it will shut on and off. Just make the sure its all the way down. The bottom of the handle touches the gas door opening. Hope this makes sense..
Weird... I find it works better for me when I don't have the handle in all the way.
Old 07-11-09, 03:07 PM
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Och
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I heard that happens when the charcoal canister is full.
Old 07-11-09, 06:39 PM
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Full of what? Gas? Can't be... It collects fuel vapors, not liquid.
Old 07-11-09, 08:30 PM
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Originally Posted by GS4_Fiend
Maybe it is the pump.
maybe its operator error?







































hehehe jk...I've had it happen, but only once. i just took it out and then reinserted it making sure it was all the way in

Last edited by sakataj; 07-12-09 at 06:18 AM.
Old 07-11-09, 09:17 PM
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raytseng
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you can also try wiping down the rim of your gas tank, perhaps there is some debris there combined with a particular nozzle that is preventing a seal.

If it is always happening, try pumping at different speeds if a setting is causing a problem. Certain pump speeds (both too slow or too fast-again depends on particular nozzle) will cause a rhythm in the vapor, which will activate the shut off. It is like unbalanced tires at particular speeds causing vibration.
Old 07-12-09, 08:33 AM
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Originally Posted by Och
I heard that happens when the charcoal canister is full.
So if your charcoal canister is full, you should have already seen your engine light on.

The Fuel pump nozzles are designed to sense an amt of fuel vapor so that you do not overfill your tank. This is why it stops when in automatic mode. It would be my advice to everyone not to continue "clicking" until you see "enough" fuel go in your vehicle. Raw fuel is extremely damaging to the components in the evaporative emission system, ie. the charcoal canister. It is designed to handle fuel vapor only.

So if the tank is continually overfilled then you are almost guaranteed to do damage at some point.

Also possible that your fuel gauge, or sending unit, is off so when you go to get gas thinking that you can fill up to say 10 gal. you actually only have room for 8.5. This would explain the pump shutting off before you think it should.

just a little food for thought...hope this helps
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