Fuel gauge

Technical questions and answers about the Mazda Bongo

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silage
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Fuel gauge

Post by silage » Tue Apr 28, 2015 7:22 pm

have read forum and tech sheets, my problem is the gauge is at 11 o'clock and will not drop when powered down. Is this an earth problem, before i get down and dirty?
" The harder you work, the richer you die"
97 4WD 2.5 TD
G0JZW
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cookan
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Re: Fuel gauge

Post by cookan » Tue Apr 28, 2015 7:34 pm

The fuel gauge will show the level even with the ignition off. It only moves when the ign is on, then stops where it is when the ign is turned off.

Does it drop below 11 o'clock as the fuel level falls whilst driving...and does it rise slowly above 11 o'clock after leaving the petrol station? If it does, it's normal..if it's stuck at 11 regardless of fuel level I'd remove the fuel sender to see what's going on..

Cheers

Ant
1995 M reg 2WD AFT in green/grey (and an Oakley Thermonuclear Protection decal for some reason!)
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silage
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Re: Fuel gauge

Post by silage » Tue Apr 28, 2015 7:52 pm

Thanks Ant, to be honest i had'nt noticed it stay at a level before and thought i may have another to do one weekend! will monitor :oops:
" The harder you work, the richer you die"
97 4WD 2.5 TD
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Cab-ova pete
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Re: Fuel gauge

Post by Cab-ova pete » Tue Apr 28, 2015 9:09 pm

Hi silage, we had the same problem last month? I earthed the tank to the chassis and no joy? I took the carpets up behind driver seat and got to the sender(grimed up), gave it some wd40 and a good clean, not had a problem since then matey :D
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silage
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Re: Fuel gauge

Post by silage » Tue Apr 28, 2015 9:13 pm

Thanks for replies. Great forum and great people!!
" The harder you work, the richer you die"
97 4WD 2.5 TD
G0JZW
cushers
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Re: Fuel gauge

Post by cushers » Thu Apr 30, 2015 10:44 pm

Hi. I bought mine with the same problem. To test the earth without drilling any holes I used a jump lead. Just make sure you are on bare metal. If that works then you know it worth getting the drill out.
G
Cab-ova pete
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Re: Fuel gauge

Post by Cab-ova pete » Thu Apr 30, 2015 11:22 pm

Hi, when I earthed my tank I didn't need to drill holes as they are pre drilled when manufactured,18" length of Earth cable and some washers nuts and bolts will suffice 8)
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cmm303
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Re: Fuel gauge

Post by cmm303 » Fri May 01, 2015 2:38 pm

Seconded. If working through the hatch in the floor behind the drivers seat, all earthing (sender and tank) can be done using existing connector and screws.
Chris with BertieB
'96 White unconverted AFT 2.5L Diesel 4WD
jamesmack1975
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Re: Fuel gauge

Post by jamesmack1975 » Wed May 06, 2015 12:03 pm

Hi

I was hoping i could get some advice on whether or not there is something wrong with the fuel gauge on my Bongo.

When i add fuel it moves up in the right direction and as i use the fuel it gradually (or not that gradually really) starts to drop down again so the gauge seems to work fine. The problem i have is that when i turn the ignition off the gauge stays at whatever level it was at - It doesn't drop back down to zero.

Is this normal with Bongos? I guess as long as it serves its purpose in telling when how much fuel i have then it's all good but i was just a little disconcerted when i noticed this behaviour.

Thanks
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mikeWalsall
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Re: Fuel gauge

Post by mikeWalsall » Wed May 06, 2015 12:32 pm

Yes they are all like that ..

It's the Japanese way of letting car robbers now if there is enough fuel in to make it worth while pinching it ..!!
JAL Mushroom roof,12/240v, fridge, cooker, sink, LPG V6 .. (written off @ £5500 Nov 2016)
jamesmack1975
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Re: Fuel gauge

Post by jamesmack1975 » Wed May 06, 2015 2:20 pm

mikeWalsall wrote:Yes they are all like that ..

It's the Japanese way of letting car robbers now if there is enough fuel in to make it worth while pinching it ..!!

Thanks for the info. :)
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