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fuel gauge doesnt work

Tech Talk for Suzuki owners.

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Posts: 247
Joined: Mon Mar 10, 2008 9:49 pm
Location: maryborough

fuel gauge doesnt work

Post by me217 »

hey how can i test whether my fuel doesnt work orif its my sender. the gauge either doesnt move or sits at about a quarter and doesnt move
me217

1985 suzuki mighty boy : mods, f8b
1990 toyota mr2 gt import : mods, turbo timer, short shifter, 2.5" exhaust
1992 suzuki sierra : mods, g16b mpfi, 235's/75, snorkel & lift on the way.
Posts: 2585
Joined: Fri Mar 28, 2008 4:45 pm
Location: SYDNEY

Post by thehanko »

take out the sender and get a multimeter set to resistance (ohms).

measure the resistance at the terminals with the float at one end and then move the float along its full range of movement and the resistance shoulsd steadily change all the way. if it doesnt then the sender isnt sending accurate info.

if this is the case often the contact is poor or no longer contacting, this can be solved by cleaning the contact points and ensureing they are in contact.
*there's a rock, drive over it :) there's a bigger rock, drive over it :twisted: there's an even bigger rock, oops broke it :oops: Upgrade broken bit :bad-words:
Goto *
Posts: 355
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Location: Maitland, where the best are built

Post by 31zook »

pull the wire off the tank and earth to the body and see if the needle rises. If it does work then pull the tank out, and make sure the float touch's all the way up :D
This is where it's at...
http://auszookers.com/index.php

[url=http://auszookers.com/index.php?name=Forums&file=viewtopic&t=5220]The Big Dumb LWB[/url]
Posts: 247
Joined: Mon Mar 10, 2008 9:49 pm
Location: maryborough

Post by me217 »

thats not so easy. my tank is fairly stuck need to oil the bolts and try and get the filler pipe off the tank. last time i tried it wouldnt budge.
is there anyway to test the sender at the gauge cluster by readin the ohms. does anyone know what the resistance is meant to be at full tank compared to empty tank and so on.

found it

F = 110 ohms
E = 3 ohms
1/2 = 32.5 ohms
me217

1985 suzuki mighty boy : mods, f8b
1990 toyota mr2 gt import : mods, turbo timer, short shifter, 2.5" exhaust
1992 suzuki sierra : mods, g16b mpfi, 235's/75, snorkel & lift on the way.
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