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 Post subject: Fuel gauge acting up
PostPosted: Tue Jun 14, 2016 12:02 am 
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Joined: Mon Feb 07, 2005 11:12 am
Posts: 41
Location: Dublin
Tank in my Mpi gets signalled as completely empty on fuel gauge when it's still 2/3 full. When I top up fuel tank, reads as full but after a short drive goes to empty again.

Fuel cap seems to looser than previously...

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 Post subject: Re: Fuel gauge acting up
PostPosted: Tue Jun 14, 2016 8:49 am 
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Joined: Mon Feb 07, 2005 11:55 pm
Posts: 2612
Whats your location?: Drogheda
Region: Eastern
What Minis have you?: Traveller
Turbo
Hornet
Equinox
MINI Clubman
Location: LOUTH
MPi fuel gauges are known to be very bad . The first thing to establish is if the sender unit is working over its full range. Remove it ,connect to a multimeter set to ohms and move the arm fully up and down and note the reading going high and low. The reading should be gradual and not take a sudden dive.

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 Post subject: Re: Fuel gauge acting up
PostPosted: Tue Jun 14, 2016 9:30 am 
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Joined: Mon Feb 07, 2005 11:12 am
Posts: 41
Location: Dublin
Thanks.

Will have to find my multimeter so...

Will let you know if the sender is the problem.

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 Post subject: Re: Fuel gauge acting up
PostPosted: Tue Jun 14, 2016 9:35 am 
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Joined: Mon May 09, 2005 12:49 pm
Posts: 4547
Whats your location?: Ballyhooly, North Cork
Region: Southern
What Minis have you?: 1967 Morris Cooper, 1967 Austin Mini auto, 1968 Wolseley Hornet x2, 1981 Clubman Estate
Location: Ballyhooly North Cork
Having had 2 Mpis, I can tell you that you won't fix the problem. All Mpi fuel gauges are the same. It's easier to keep a note of when you last filled and you should be OK for 250 miles or so before refilling.


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 Post subject: Re: Fuel gauge acting up
PostPosted: Tue Jun 14, 2016 1:29 pm 
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NON Member

Joined: Mon Feb 07, 2005 11:12 am
Posts: 41
Location: Dublin
:cry: Worked perfectly for years... Could even judge how empty it really was by a fraction of a millimetre of the position of the gauge. Would hate to think it'd never work again.

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