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#222530 16-Aug-2017 10:57
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I have a 2006 Caldina which has a fuel filler restrictor, that can mean the pumps do not always stay put when filling the car.


Can/should I remove it, so that I can leave the pump to auto fill the car while I wash the windows? I can get the pump to stay sometimes, it's just a nuisance for the times it refuses to.


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  #1847447 16-Aug-2017 11:13
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They fitted restrictors to stop the wrong pump nozzle from fitting into the wrong tank I think.


Leaded petrol (for example) had a wider nozzle - so you couldnt accidentally fill a car that only uses unleaded with leaded petrol.


Are there different pump nozzles for regular/high octane?


Are you using the right octane for your car?


But I suppose its probably an import - so maybe its a hangover from a japanese system.


Could also be an anti blowback device - cant see why you couldnt remove it - but depends how difficult it would be.

Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler

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  #1847469 16-Aug-2017 11:57
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I had the one on myCommodore that has the flap, it was a PITA as I wanted to fill to the brim and this made that difficult.


My 2015 Mazda doesn't have the flap and it is much easier to fill!


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  #1847475 16-Aug-2017 12:06

I think only the diesel pumps have wider nozzles now.

But it doesn't help that there is no standard for pump handle colours. Some petrol stations have yellow for diesel, and others have yellow for 95 petrol. So something to consider if you ever lend your car to anyone who might not be as careful to check that they have always grabbed the correct pump.

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  #1847522 16-Aug-2017 12:43
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Try not putting the nozzle in as far as it goes - pull it back 30-50mm or so, and they usually lock on to auto fill from there.

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  #1847542 16-Aug-2017 13:04
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@robjg63 - Correct it is a Japanese import, and yes I am using the correct fuel for the car.


@RunningMan - Unfortunately I cannot get the nozzle that far in to begin with, but I will try to remember the next time I need to fill it up. If I took it out 3-5cm it would probably just be lying on the forecourt... which has almost happened in the past. 


I am use to having vehicles that the nozzle ends up almost entirely in the filler, ie the rubber/plastic coloured handle is almost touching the vehicle.

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  #1847552 16-Aug-2017 13:12
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Be thankful we still have auto lock triggers.




All but removed from QLD petrol stations. Too many people forget they put them in and drive off after said window wash. Solution, make you NEED to hold it.

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  #1847591 16-Aug-2017 13:59
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I had the one on myCommodore that has the flap, it was a PITA as I wanted to fill to the brim and this made that difficult.


My 2015 Mazda doesn't have the flap and it is much easier to fill!



Some modern cars have emission control breather systems, if you over fill you can get petrol going where only vapour is supposed to go. 

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