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Varying tank capacityViews : 1388 Replies : 10Users Viewing This Thread : |
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Nov 5th, 2013, 22:34 | #1 |
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Varying tank capacity
My xc70 has, as I understand a tank with a gas capacity of 67ltrs. At a recent fill from indicated empty at a morrisons pump I stopped the fill at just over 68ltrs as the pump didn't seem to be stopping. Topped up from quarter to full at another morrisons and pump cut out at 43ltrs and guage showed full. Monday filled at shell from empty, and pump started to stutter and slow at over 70ltrs.
So what's happening, varying temperature or something not right. Each fill I'm getting about the same mileage, so a full tank is full, if you know what I mean.
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
Nov 5th, 2013, 23:01 | #2 |
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What is the tank water capacity?
The fill can vary a little from pump to pump and some pumps will not even cut off as they do not have enough pressure to close the valve but the flow does slow right down. |
Nov 5th, 2013, 23:09 | #3 |
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Ah right that might explain things. I'd have to double check in the daylight but I think water capacity was 80ltr.
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
Jan 18th, 2014, 21:22 | #4 |
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Back to this again, usually fill up at a coop autogas site and from empty 67-68 litrs then a firm cut off. went to a different coop autogas site after running out and gave up at just over 70ltrs, pump had slowed but didn't cut out. What happens to the extra litres, am I paying for gas im not getting ?
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
Jan 18th, 2014, 22:21 | #5 |
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You are getting gas, the problem is not enough pump pressure to activate the fill stop so it slowly puts more gas in.
I think your tank is a 77ltr water capacity so should fill to around 62ltrs |
Jan 18th, 2014, 23:03 | #6 |
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Always get more than 62ltrs in. Is this classed as over filling then ?
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
Jan 18th, 2014, 23:08 | #7 |
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It is classed as over filling.
Make sure you do a few miles after filling before leaving the car if you have over filled. It is only really a concern in warm weather as your PRV could end up safely releasing some gas to drop the pressure if it got warm causing an over pressure. |
Jan 18th, 2014, 23:47 | #8 |
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Is it then best to only fill to the correct capacity ? This would of course mean having to run out and then refill. I do notice, if it runs out, parked up and left, it will then if warm, start and run on the "empty" tank for a short time before flashing like a Yank cop car and deciding its empty again, guess that's just lpg expanding etc.
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
Jan 18th, 2014, 23:49 | #9 |
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The heat increases the pressure.
At what amount is it cutting off at? |
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Jan 18th, 2014, 23:51 | #10 |
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It will get on the red and run for ages, certainly 100 miles on the last green led, but on the red prob 20-30 miles, unless you boot it.
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Regards, pacman67 previously held: V40 TD & S40 2ltr P1,V40 P2 sport lux, V70 XC P1, XC70 P2, V70 D5 P2 and P3, V40 T4,V70R, C30 R Design. currently held: V70 P3 D5 SE LUX, XC90 MK2 Inscription Pro. |
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