tog93 Posted January 9, 2013 Share Posted January 9, 2013 hello as i am new thought you could help my fuel gauge is faulty when i turn ignition on it goes to half way but even when empty it still sits there but when i turn off it goes back down like it should cheers Quote Link to comment Share on other sites More sharing options...
Big.Mike Posted January 9, 2013 Share Posted January 9, 2013 Welcome to the forum! It could be a faulty sender in the fuel tank, it's a physical arm with a float that rises and lowers with the fuel level. If the float falls off or if the arm gets stuck then it will stay in one place. If you fill the tank up does the fuel gauge move? What specific Defender do you have? Tanks are located in lots of places on a Defender depending what it is and there are varying levels of difficulty in getting to the sender! Cheers, Mike Quote Link to comment Share on other sites More sharing options...
tog93 Posted January 24, 2013 Author Share Posted January 24, 2013 hi sorry not replied just had no time the gauge seems to have sorted its self out so its all good cheers Quote Link to comment Share on other sites More sharing options...
bluebass71 Posted February 15, 2013 Share Posted February 15, 2013 Hello, I have just joined and have recently bought a county 110. I have the same problem with the fuel gauge only going as far down as quarter full. When I fill up the gauge goes up but never goes down further than quarter full. When the ignition goes off the gauge will go fully left as it should. Any ideas please.......I always carry 5 litres of fuel with me just incase!! Thanks Quote Link to comment Share on other sites More sharing options...
Tanuki Posted February 15, 2013 Share Posted February 15, 2013 Sounds like either the float-mechanism in the tank is sticking, or the resistance-track on the float mechanism (that varies the current and so alters the gauge-reading) is failing. The answer is to replace the float-mechanism. Depending on what precise model of Defender you have this can be cheap or expensive: on my 90TD5 the float-mechanism is part of the fuel-pump: you have to drop the tank to access it and the new fuel-pump assembly is £300+ Quote Link to comment Share on other sites More sharing options...
bluebass71 Posted February 16, 2013 Share Posted February 16, 2013 Thanks Tanuki, The model I have is a county 110 which is a 1988 with a 19J 2.5td engine fitted if this is any help, thought it might have been the connections on the tank as both protective rubber fittings over the electrical connections were off. I cleaned the connections and sprayed them with dw40 and replaced but didn't change any thing. Hopefully this will not be the £300+ way to go! Quote Link to comment Share on other sites More sharing options...
western Posted February 16, 2013 Share Posted February 16, 2013 check the tank unit connections, centre stud is earth plain black wire forward terminal is fuel gauge feed - green/blue trace wire rear terminal is low fuel warning light - white/slate trace wire Quote Link to comment Share on other sites More sharing options...
bluebass71 Posted February 17, 2013 Share Posted February 17, 2013 Ok Western thanks will check them, also forgot to mention every now and the the low fuel light would come on and off even though there was plenty of fuel in the tank. Maybe the sender unit is up the creak or stuck but will check the electrical connections again. I take it there must be a way of shorting the connections out to show the wiring from the gauge to the tank is ok? Quote Link to comment Share on other sites More sharing options...
western Posted February 17, 2013 Share Posted February 17, 2013 low fuel light does flash on/off depends on what the vehicle is doing at the time, mine flashes when corning for example. Quote Link to comment Share on other sites More sharing options...
bluebass71 Posted February 18, 2013 Share Posted February 18, 2013 Just seems wierd the low fuel light would flicker even with the tank pretty full. Quote Link to comment Share on other sites More sharing options...
western Posted February 18, 2013 Share Posted February 18, 2013 depends how hard you chuck the truck into a bend if your brave enough. Quote Link to comment Share on other sites More sharing options...
bluebass71 Posted February 19, 2013 Share Posted February 19, 2013 Lol not that brave!!!! Quote Link to comment Share on other sites More sharing options...
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