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C4 - DS4 Owners :: Forums :: Coupe and Hatch Pre 2011 cars :: C4 Coupe Hatch and General Questions
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How accurate is the fuel gauge?
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Author Post
BigJohnD   
Fri Jul 22 2011, 04:41am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
 I was just about to write something similar to Dave, though I agree, running out of fuel is never a good idea.
yovavb   
Fri Jul 22 2011, 05:20am
Member No: #14234
Joined: Jun 19 2010
Location: israel
 There are faulty fuel sensors. I know of one C4 petrol 2008 that when it showed fuel low the engine cut out. so refuel when you go under 1\4 of the tank.
wozza   
Fri Jul 22 2011, 07:13am

Member No: #2
Joined: Aug 12 2006
Location: Manchester
 I guess it depends on the car, all 3 of my C4's I have been able to drive for a good few miles on ---.

Never put more than 57 litres in on a fill up in the 180 either.
BigJohnD   
Fri Jul 22 2011, 08:11am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
Wozza wrote ...

Never put more than 57 litres in on a fill up in the 180 either.

I got 62 litres in once - there can't have been much left in the tank.
wozza   
Fri Jul 22 2011, 08:24am

Member No: #2
Joined: Aug 12 2006
Location: Manchester
 Guessing you had topped it right up to the pipe to get 62 litres in. The tank is only supposed to be 60 litres.
riven1962   
Fri Jul 22 2011, 08:40am
Member No: #18905
Joined: Mar 23 2011
Location: Widnes, Cheshire
 As the gauge reading is guided by your driving style I decided to take the fuel a bit lower. It went down to approx 50 miles left then on my way home from work this morning I filled up the car to the brim. It cost £85, but according to the fuel display I have potentially 820 miles worth of fuel in the tank.
BigJohnD   
Fri Jul 22 2011, 09:59am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
Wozza wrote ...

Guessing you had topped it right up to the pipe to get 62 litres in. The tank is only supposed to be 60 litres.

Probably, but I suspect the tank is marginally bigger than 60 litres, to ensure that there's still fuel in it when it reads empty.
ko2610   
Fri Jul 22 2011, 04:23pm
Member No: #17527
Joined: Jan 23 2011
Location: Tuusula, Finland
 When my C4 says "fuel level too low" I can put 52 litres in. If the tank is 60l there is still 8l+ the pipe left at that point. Estimation is usually 150-170km left and the trip reading is 900+km. Haven't tried to run it to ---.
Rich_Eason   
Sat Jul 23 2011, 01:49am

Member No: #90
Joined: Jan 29 2007
Location: Bristol
 The 60litres could also be nominal to take into account expansion of the fuel...

Just out of curiosity...I'm just wondering if there are different tanks noting the variation in filling capacities...?

I would say not but you never know!
Dave_Retired.   
Sat Jul 23 2011, 02:42am

Member No: #1
Joined: Aug 07 2006
Location: Northumberland
 I don't think so Rich but you hit the nail on the head when you said 'nominal'.

60 litres is the stated capacity but it may be in practice, a bit more.
BigJohnD   
Sat Jul 23 2011, 05:23am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
ko2610 wrote ...

When my C4 says "fuel level too low" I can put 52 litres in.

That's correct - Citroën say the warning comes on with 7 litres left in the tank.
BernieRubble   
Thu Jul 28 2011, 03:06pm
Member No: #15579
Joined: Sep 21 2010
Location: Merseyside
 hi,what does everyone think is the most you can get mpg in a 1.6hdi.i thought it would be about 64mpg,but whilst i was driving up to Fort William,Scotland,i thought i'd drive at about 56mph.The first photo i could not believe,but the second one was outstanding.
I also let the tank go down to 20 miles to go,before i filled up with £80 at Tesco.
mooresey   
Thu Jul 28 2011, 03:33pm
Member No: #18464
Joined: Feb 27 2011
Location: Church Gresley, Derbyshire
 The highest it will go I think is 999 mpg going down hill not pressing the gas.
BigJohnD   
Thu Jul 28 2011, 03:39pm

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
 Allowing for the fact the trip computer may err on the generous side, those figures are not unusual. However, for really solid figures the distance covered needs to be at least a couple of thousand miles.

A similar engined 1.6HDi Peugeot recently did a verified 126 mpg over 3,700 miles. - Click Here -
PentlandC4   
Thu Jul 28 2011, 04:15pm
Member No: #13613
Joined: May 08 2010
Location: Deepest Wiltshire
 I experimented with fuel economy a few months ago - - Click Here -

My trip computer has been hovering around the 68.8/70.5mpg for a few weeks with the warmer weather; it'll go down a bit now that the average speed cameras are off the M80 and the speed limit is back to 70mph.

68.8 / 70.5 on my trip computer actually equates to a real 58/59mpg.
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