Question about Cars & Trucks
Fuel gauge was going up and down randomly yet I have 3/4 tank. it's had a replacement sender unit, now it's not registering any fuel in the tank at all saying 'low fuel' ...very confused ?
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Posted on Jan 02, 2017
SOURCE: citroen xsara fuel gauge
Your most likely fault / problem, is with the fuel gauge sender unit being faulty - which is in the tank..
Its rare that gauges fail - but its worth checking... Access the fuel tank where the fuel pump fits in under the rear seats (i think) and remove the wire for the gauge, this is the smallest wire on the unit.
Earth that wire (ground), with the ignition on... make sure its a good earth - and the gauge should be seen to rise right to the top... if that happens - it proves the wiring and gauge are ok.. if not - then there is a problem with the wiring or gauge - most likely the latter which would need investigating.
Its usually the sender unit though as I say - 99.9 % of the time.
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Posted on Nov 04, 2011
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