General Twin Air Petrol Gauge

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General Twin Air Petrol Gauge

rdejones

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Nov 29, 2008
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Dear all,

I am now three months and 1800 miles into the Twin air, and overall, loving it. After the 1.2 it has taken some getting used to, but overall a success.
On the question of mpg, over the whole 1800miles I am acheiving 40.5mpg. However, that is mostly inner London crawl, and is comparing favourably with the 1.2's 37mpg over several thousand. Get it on the open road and it does improve (although no where near the magical 69mpg!)
One thing is bothering me though. When I hit quater of a tank of petrol remaining the range disaapears and pretty soon it says low petrol. On the 1.2 I woukd still have had the best part of 90 miles (probably less really) on the range. What is happening...I don't think it is using petrol so quickly quater of a tank only gets me at a crawl tothe nearest petrol station, but neither do I want to try it!
Is anyone else seeing this...or is it only mine?

Robin
 
The Fiat 500's fuel gauge is crazy conservative (idiot proof i guess). Do not worry until ALL the bars disappear in the car, even when the fuel light comes on you still have a good 70 miles left!
With all the bars gone you still have some fuel left to drive around I did another 10 km with no bars on whatsoever and i assume i had about liter left in the reserve with it still working just fine but havent tested it until death.
You can ask 306maxi for his experiences (i have read on the forum that he ran out of gas completely).
 
Hi Robin,

Usually what happens (with a 1.2) is that the petrol light comes on when you have around 80 miles left in your range. If you are doing a lot of urban miles then a quarter of a tank probably won't be much more than 80 miles anyway.

However the range will only normally display nothing when it gets below 30 miles, not when you hit a quarter of a tank on the display.

Is it happening a lot when you are doing urban driving? Sometimes if you haven't moved in 5-10 mins then the range will indeed just display nothing.

NOTE: By the way I agree with ahmett that there's probably nothing wrong!
 
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Aha! Yes I too have this (and find it odd having had a 1.2 previously). Thank you for the reassurances about what could be left in the tank at various stages: puts my mind at ease. When suddenly the thing bleeps and screams 'I need petrol' finding a nearby filling station in central London is never as easy as you may think.
 
Usually what happens (with a 1.2) is that the petrol light comes on when you have around 80 miles left in your range.

Exactly 77 miles for some reason. I've run out of fuel, and if the range says 30 miles left, then you've got about 40 miles of fuel left. But obviously best to just fill up early to be safe.
 
range shouldn't disappear if quarter tank is left, in my 1.4 (and the 1.2 i rented this summer) range disappear when it's down to the last bit and it says low fuel. maybe that has changed in the new twin air. my 1.4 is still good for over 20 miles of open road after literally no bars left on the gauge (i didn't have the balls to go further). but fuel level drops pretty quickly after petrol light comes on, if that's the problem it's normal imo.
 
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