C3 fuel gauge

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Kevin hartnoll
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C3 fuel gauge

Post by Kevin hartnoll »

Hi
Me again, my 2012 c3 had over three quarters of a tank of fuel but I was going on a long journey so decided to fill it right up.
I kept going until it was to the neck so absolutely full. Only took £18
When I got back in fuel gauge hasn't gone to full

I have read a lot now about not overfilling or this will happen
My question is.......Will it right itself next time I fill up or will it need plugging 8n to Lexia.???
Thank you
Kev.
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Re: C3 fuel gauge

Post by wheeler »

Do a BSI reset before you do anything else.
Kevin hartnoll
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Re: C3 fuel gauge

Post by Kevin hartnoll »

How do I reset BSI ? Is it wait 3mins and disconnected battery?
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Re: C3 fuel gauge

Post by GiveMeABreak »

Follow this:

BSI Reset / Battery Disconnect / Reconnect Procedure

I had this happen, always stop fuelling after the third click. I had mine recalibrated at the dealers, but you may be lucky after a reset.
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Marc
Kevin hartnoll
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Re: C3 fuel gauge

Post by Kevin hartnoll »

BSI reset didn't cure it so guess wait till next refuel and see if it sorts itself if not a trip to the garage for a session with Lexia
Thanks for your help.
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GiveMeABreak
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C5 MK II 2.0 HDi Exclusive Obsidian Black
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Xantia S2 2.0 HDi SX Hermes Red
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XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
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Re: C3 fuel gauge

Post by GiveMeABreak »

There should be some tests they can do, but if this fails, then it is possible the gauge itself in the pump housing may be stuck or broken.
Please Don't PM Me For Technical Help

Marc
Kevin hartnoll
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Re: C3 fuel gauge

Post by Kevin hartnoll »

Yes initially thought fuel sender but 5gen 8 read a lot of threads about this problem
So not so sure now the gauge is going down as I use the car but obviously under reading as it started on just over three quarters 2hen I filled it right up.
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GiveMeABreak
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C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
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Re: C3 fuel gauge

Post by GiveMeABreak »

I put a picture up here of the usual issue:

viewtopic.php?p=609032#p609032
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Marc
Kevin hartnoll
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Re: C3 fuel gauge

Post by Kevin hartnoll »

At last I have done 200 miles so topped up and fuel gauge went to full
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GiveMeABreak
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C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
GS 1000 Cedreat Yellow
x 5646

Re: C3 fuel gauge

Post by GiveMeABreak »

Ok, great - it may of been enough to empty some of the tank and the sloshing about may of freed up the sender wire.

So - don't fill after the third click in future as officially recommended and you should be fine.
Please Don't PM Me For Technical Help

Marc
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