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HELP: Mondeo ST24 (1996/7 pre body kit) fuel gauge issue

salsa-king
salsa-king
in Ford Mondeo / Vignale Club

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Need help... 

This is a ST24 v6 1996/7 model, pre body kit.. vary rare! only has 64K miles 2nd owner from new. We had it at 18months old - Sandicliffe of Nottm... does minimal mileage a year... even less this last 2yrs!

when the fuel gauge shows FULL, it's empty. Ehen its shows Empty.. its a full tank.

 

Tried everything, my mechanic...

swapped wires over on the fuel pump/system - made no difference

Managed to pick up a 2nd hand instrument panel - still did the same thing (original has been fitted back on)

Picked up a working 2nd hand fuel/pump delivery system (fits in the tank)- not made any difference either. (I could get a new one from Ford, as good as £600 as they get it from Germany! - glad we didn't)

 

anyone had the same problem.. how can we fix it.. bit annoying it reads reverse.

 

 

TIA

 

IMG_20211217_143858~2.jpg

Edited by salsa-king
Added pic

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    IMG_20211217_143846~2.jpg

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    • Confused 1

    Can't you just live with it? 

  • Quote

    Firstly can we just establish that it used to work correctly during the time you have owned the car ???

    The fuel gauge on your car is a very simple bit of kit. If my memory serves me right the gauge on the instrument cluster is connected to a 12v supply via the ignition. The negative is connected to the wiper of the rheostat in the fuel tank sender.

    When did it start reading wrong ?

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