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Author Fuel Gauge reading empty????-Yes it has got fuel in!
robcorsa!
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Registered: 15th Aug 03
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15th Aug 03 at 14:06   View User's Profile U2U Member Reply With Quote

My fuel gauge has gone from full to reading empty with the warning light on. Car is full of fuel as I filled it up an hour ago.
When driving it suddenly dropped down, did it the other day but started working again and was working this morning, but now its broken!

Anyone any ideas what could be wrong and how to fix it??

Thanks
MikeH
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Registered: 3rd Apr 03
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15th Aug 03 at 14:08   View User's Profile U2U Member Reply With Quote

Brobably a loose wire for the sensor.

Have a look round the fuel tank, or maybe behind the dash.
robcorsa!
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Registered: 15th Aug 03
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15th Aug 03 at 14:10   View User's Profile U2U Member Reply With Quote

Thought as much, but fuel light is on, checked behind the dash, took the dials out have a look behind there, all looks well. Where abouts around the fuel tank, under the car??

Where is the sensor?

thanks
cdcool1
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Registered: 9th Jun 02
Location: Scunny
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15th Aug 03 at 14:11   View User's Profile U2U Member Reply With Quote

other than checking wiring at back of your instrument panel, i'd say your fuel sensor is fooked. not sure about checking the fuel sensor, never had a problem with it on my old corsa
s20 gee
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Registered: 16th Jul 03
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15th Aug 03 at 14:24   View User's Profile U2U Member Reply With Quote

got exactly the same problem on mine m8 n i dunno whats wrong with it think it is the sensor n i think its a pretty expensive job
MikeH
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Registered: 3rd Apr 03
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15th Aug 03 at 14:28   View User's Profile U2U Member Reply With Quote

Could just fill your tank up and count the miles..... so you don't run out
Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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15th Aug 03 at 14:31   View User's Profile U2U Member Reply With Quote

earth the wiring on the sender in the fuel tank, if they needle moves then it the fuel sensor

and no i dont know where the sender is located, buy a haynes manual it will show u
s20 gee
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Registered: 16th Jul 03
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15th Aug 03 at 14:33   View User's Profile U2U Member Reply With Quote

thats exactly what i did mike i measure how much fuel iv got through how many miles iv done reset the speedo thingy every time i fill up its well blaggin!!
MikeH
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Registered: 3rd Apr 03
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15th Aug 03 at 14:37   View User's Profile U2U Member Reply With Quote

Haynes manual says something along the lines of.

1. make sure fuel tank is more or less empty.

2. working inside the vehicle fold the rear seat cushion forwards and remove the carpet to reveal the plastic fuel pump cover.

It has warnings all over it about sparks and fuel vapour!!!!

Maybe best getting a garage to do it.
s20 gee
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Registered: 16th Jul 03
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15th Aug 03 at 14:39   View User's Profile U2U Member Reply With Quote

wont it involve takin the fuel tank off though?
MikeH
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Registered: 3rd Apr 03
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15th Aug 03 at 14:40   View User's Profile U2U Member Reply With Quote

Doesn't sound like it.
Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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15th Aug 03 at 14:42   View User's Profile U2U Member Reply With Quote

no it wont involve taking the tank out!!
s20 gee
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Registered: 16th Jul 03
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15th Aug 03 at 14:43   View User's Profile U2U Member Reply With Quote

this maybe a stupid question but how does the car nop how much fuel its got i no it has a sensor but how does it work? is there like a float of sum sort in the fuel tank?
jm960326
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Registered: 24th Aug 02
Location: Rob Cheshire
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15th Aug 03 at 14:53   View User's Profile U2U Member Reply With Quote

dont think its a float, more like a resistive switch if it works like some other water level monitors.
robcorsa!
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Registered: 15th Aug 03
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15th Aug 03 at 14:54   View User's Profile U2U Member Reply With Quote

Just out of interest, what colour wire is the link at the back of the speedo?

Might have a quick look at the fuel pump area but if not, think it mught have to be a garage.
s20 gee
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Registered: 16th Jul 03
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15th Aug 03 at 14:59   View User's Profile U2U Member Reply With Quote

in what way could that sensor b damaged though?
Ian
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Registered: 28th Aug 99
Location: Liverpool
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15th Aug 03 at 17:14   View Garage View User's Profile U2U Member Reply With Quote

Might have just worn out?


Corsa B lap belts required
jm960326
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Registered: 24th Aug 02
Location: Rob Cheshire
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15th Aug 03 at 22:32   View User's Profile U2U Member Reply With Quote

This is true, check the wiring and everything, dont think they are expensive to fix though.
Neshol
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Registered: 10th Jul 02
Location: Midlands
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15th Aug 03 at 23:33   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by s20 gee
this maybe a stupid question but how does the car nop how much fuel its got i no it has a sensor but how does it work? is there like a float of sum sort in the fuel tank?


http://auto.howstuffworks.com/fuel-gauge.htm

 
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