Fuel warning light
15 October 2001, 01:19 PM
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Can anyone tell me what mileage before I conk out I can expect in my P1 once the fuel warning light comes on? The last quarter on the gauge goes down alarmingly fast!
15 October 2001, 01:26 PM
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As far as I remember, the handbook for my 1999 Sport says the light comes on when you have one gallon left. So about 30 miles for me. Ish.
Never like to leave it too low though as when I learnt to drive (many moons ago) someone mentioned that if you got low on fuel, crud from the bottom of the tank was going to get sucked into the engine. Is this just a myth? Oh, and I hate having to walk to the petrol station too!!
Never like to leave it too low though as when I learnt to drive (many moons ago) someone mentioned that if you got low on fuel, crud from the bottom of the tank was going to get sucked into the engine. Is this just a myth? Oh, and I hate having to walk to the petrol station too!!
15 October 2001, 01:29 PM
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I fill up when my light comes on as soon as I can get to a garage, never got more than 51 litres in on a 60 litre tank so theres still a good 30-40 miles in it, depending on driving style 
However - you'd never want to go that low as you'll suck through all the rubbish in the bottom of your petrol tank
Edit correct for my grammar excellent
[Edited by ScoobyJawa - 10/15/2001 1:31:53 PM]
However - you'd never want to go that low as you'll suck through all the rubbish in the bottom of your petrol tank
Edit correct for my grammar excellent
[Edited by ScoobyJawa - 10/15/2001 1:31:53 PM]
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16 October 2001, 10:05 PM
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Huxley
I believe the warning light is only on cars with the later style dash board
Now about this theory that running the tank low sucks up any crap.I don't understand why it should.
It seems to me that the fuel must be sucked from the bottom of the tank otherwise you would not be able to use the whole tank,so why would it only get sucked up when it is low?.When you consider that the tank is shaped like a suitcase lying down on its side,even when it is half empty(or is that half full LOL)the fuel must slosh about all over the place,I can't believe all the crap just sits on the bottom and isn't disturbed especially considering the way most Scoobies are driven .
Also the fuel system works by pumping more fuel than the engine needs, to the engine bay via the fuel filter (which is large and can remove particles down to about 10 microns ie very very small ) and then returns the excess to the tank.I would have thought any crap in the tank would get sucked up and trapped in the filter almost immediately.
One last thing is that the scoob has a plastic fuel tank which doesn't go rusty.I think that used to be the main source of crap in the fuel tanks of older cars most of which had no fuel filters what-so-ever.
Andy
I believe the warning light is only on cars with the later style dash board
Now about this theory that running the tank low sucks up any crap.I don't understand why it should.
It seems to me that the fuel must be sucked from the bottom of the tank otherwise you would not be able to use the whole tank,so why would it only get sucked up when it is low?.When you consider that the tank is shaped like a suitcase lying down on its side,even when it is half empty(or is that half full LOL)the fuel must slosh about all over the place,I can't believe all the crap just sits on the bottom and isn't disturbed especially considering the way most Scoobies are driven
.Also the fuel system works by pumping more fuel than the engine needs, to the engine bay via the fuel filter (which is large and can remove particles down to about 10 microns ie very very small ) and then returns the excess to the tank.I would have thought any crap in the tank would get sucked up and trapped in the filter almost immediately.
One last thing is that the scoob has a plastic fuel tank which doesn't go rusty.I think that used to be the main source of crap in the fuel tanks of older cars most of which had no fuel filters what-so-ever.
Andy
17 October 2001, 07:51 PM
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Cheers chaps! I looked in vain in the handbook but regularly see the little yellow pump light up the dash as the Other Half is very fond of a whizz round the block before sticking the motor in the garage for the night....half an hour later ......and recently being caught miles from the nearest petrol station got me worried.
Best performance I ever had on an empty tank was with a C-reg Audi 100 that we bought at auction
Best performance I ever had on an empty tank was with a C-reg Audi 100 that we bought at auction
17 October 2001, 07:55 PM
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(cont'd ,whoops wrong key)
..as a stop gap while awaiting delivery of our first Scoob. The yellow light was on as we drove it away and was fine 40 miles later. Made £300 profit on it too. Nice.
I hear the sludge thing is only a problenm in metal fuel tanks.
Oh Oh while on fuel , what's the verdict on the new Shell Optimax petrol? Does Jeremy convince you?
SS
..as a stop gap while awaiting delivery of our first Scoob. The yellow light was on as we drove it away and was fine 40 miles later. Made £300 profit on it too. Nice.
I hear the sludge thing is only a problenm in metal fuel tanks.
Oh Oh while on fuel , what's the verdict on the new Shell Optimax petrol? Does Jeremy convince you?
SS
18 October 2001, 04:07 PM
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I ran my P1 out in the middle of nowhere a couple of months ago - had been thrashing it hard along roads in Northumberland - got about 10 miles out of it before it ran out (very helpful!). Having said that, I still run it until the light comes on and have never put more than 55litres in it - I suspect there's a residual amount in the bottom it can't use when it's empty.
I really ought to learn the lesson and fill up at the quarter tank stage......!
Gordo
I really ought to learn the lesson and fill up at the quarter tank stage......!
Gordo
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