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 Fuel light issue

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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 8:05 am

Hi more questions sorry
Fuel light coming on early
twice now from full tank the fuel light comes on after I have only used around 8 litres of fuel
is this a known issue?
sort of related I have no idea how to set trip meter
TIA Steve
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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

Posts : 4401
Join date : 2014-03-13
Age : 65

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 8:23 am

Pick the odometer you want to reset, press the button for a long time (long press, a few seconds) and voila! Mileage reset. Technology is wonderful, innit?
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 7820
Join date : 2013-09-30

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 9:05 am


Fuel level sensor is a thermistor strip attached to the fuel pump. You can check its functionality with a multimeter.

Measure across pins 3 & 4.

250-300 ohms is 0 litres (empty)
100 ohms is approx 11.25 litres
10-20 ohms is > 16 litres (full)

Fuel light comes on at approximately 230 ohms. The sensor is not available separately from the fuel pump assembly.



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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 9:13 am

Thanks Beetle
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7514
Join date : 2013-05-30
Age : 63

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 10:29 am

Isn't it? I'm pretty sure I've got one in stock???
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 7820
Join date : 2013-09-30

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 10:56 am


Well, bugger me lonesome...

Part # GU887790


It's not in the parts list...well I couldn't find it. Google found it. Rolling Eyes



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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 10:57 am

Thanks will test mine tomorrow
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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 10:59 am

Feck me £131 !!!!!!!!!!!
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 7820
Join date : 2013-09-30

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Sep 20, 2020 11:21 am


There's this one. AP8127817

It's cheaper..but is it correct?

[You must be registered and logged in to see this link.]








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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Wed Sep 30, 2020 3:54 pm

strangely it seems to have fixed itself
did 110 miles yesterday still no fuel light
thanks for all the help
Steve b
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antmanbee
Tanabuso
Tanabuso
antmanbee

Posts : 63
Join date : 2018-04-08

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Wed Sep 30, 2020 10:30 pm

steveb wrote:
Feck me £131 !!!!!!!!!!!

Glad it fixed itself.

The sensor that beetle refered to can be repaired for about $5-10. I did it on my Breva.
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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Mon Oct 05, 2020 7:57 am

antmanbee
prey tell more?
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antmanbee
Tanabuso
Tanabuso
antmanbee

Posts : 63
Join date : 2018-04-08

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Mon Oct 05, 2020 11:34 am

steveb wrote:
antmanbee
prey tell more?
This thread has all the info you will need.
[You must be registered and logged in to see this link.]
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BrianD
Don Abbondio
Don Abbondio
BrianD

Posts : 75
Join date : 2015-12-20

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Wed Oct 07, 2020 12:25 pm

not sure if you knew, but if you run on "reserve" with the light on that once you get really low it flashes - then you panic [You must be registered and logged in to see this link.]
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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Wed Oct 07, 2020 12:37 pm

I did not know that
Thanks
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kiwi dave
GRiSO Capo
GRiSO Capo
kiwi dave

Posts : 529
Join date : 2014-04-24
Age : 72

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Wed Oct 07, 2020 8:16 pm

Me neither. And I thought I've been dangerously low on occasions.
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http://www.guzzigander.com
tvboy
Biondino
Biondino
tvboy

Posts : 254
Join date : 2018-04-13
Age : 61

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Fri Oct 09, 2020 12:57 am

That's a bonus feature.

I don't recall the manual mentioning that.
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eeyore
Grignapoco
Grignapoco
eeyore

Posts : 156
Join date : 2016-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Fri Oct 09, 2020 2:56 pm

Mine usually does around 110 miles before the fuel warning light is on.
With current UK prices I get £16 in the tank when the light first illuminates.
Fuel sensors don't like sulphur in fuel - try to avoid budget / supermarket petrol where possible.
A fuel system cleaner can help with sensors in the tank.
In the UK Esso 97 is currently ethanol free (still has E5 on the pump handle).
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Kiwi_Roy
Sfregiato
Sfregiato
Kiwi_Roy

Posts : 421
Join date : 2017-11-10

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Oct 11, 2020 12:04 pm

beetle wrote:

Fuel level sensor is a thermistor strip attached to the fuel pump. You can check its functionality with a multimeter.

Measure across pins 3 & 4.

250-300 ohms is 0 litres (empty)
100 ohms is approx 11.25 litres
10-20 ohms is > 16 litres (full)

Fuel light comes on at approximately 230 ohms. The sensor is not available separately from the fuel pump assembly.



steveb wrote:
strangely it seems to have fixed itself
did 110 miles yesterday still no fuel light
thanks for all the help
Steve b

Was the bike sitting for a while?
I was wondering if varnish built up on the rheostat so it lost contact (>300 Ohms) and it's worn off with use fixing itself.
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steveb
Montanarolo
Montanarolo
steveb

Posts : 21
Join date : 2020-09-09

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PostSubject: Re: Fuel light issue   Fuel light issue Icon_minitime1Sun Oct 11, 2020 4:29 pm

Not sitting before I bought it
hit 132 miles yesterday before the fuel light came on
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