110 fuel guage not working properly - Defender Source
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  #1  
Old October 25th, 2012, 10:08 PM
Tyler Wirken
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Tyler Wirken
1997 Defender 90 LE
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110 fuel guage not working properly

So I am trying to iron out some bugs with the 110 after it's first voyage down to Kentucky. One of which is the fuel gauge is not accurate. It will go to full when tank is full but will not go below about a quarter of a tank. It stays there till the tank is empty. Kinda annoying.

So I took the fuel level unit out of the tank thinking I had it in wrong and the arm was hitting a baffel in the tank or whatnot causing it to get hung up and fall below a quarter tank.

While out I tested it manually and was able to get the gauge to go to empty and to full so I assumed I had it wrong. So I then put it back in feeling around and thought I had it correctly etc... went driving and same thing ran out gas.

So anyone got any idea what the problem is? Is there something I am missing trying to use a 1993 110 sending unit with a 1997 gauge? Could I possibly have it in 180 backwards? If I do then could the wiring be backwards as well?

Any help would be great.

Thanks!
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  #2  
Old October 25th, 2012, 10:41 PM
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evilfij
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I believe the gauges are different.
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  #3  
Old October 25th, 2012, 11:21 PM
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My experience. The gauge would read somewhere about 1/2 and the engine would quit running, but I knew there was more fuel in the tank. Come to find out, I had the tank fuel lines reversed at the tank connectors. I felt like such a dope, I must have dropped the tank 3 times before I figured it out.
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  #4  
Old October 27th, 2012, 08:17 AM
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The resistance on the gauge and the sender are different. My ROW 110 doesn't read correctly either but does go to empty, quickly, and turns on the light. It reads full for ever.
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  #5  
Old October 29th, 2012, 11:34 AM
Tyler Wirken
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Thanks for your thoughts everyone.

Think I got it yesterday. We shall see.

It had to be hitting something in the tank as when I took the sender out and manually moved it up and down the gauge went from empty to full with no problems. So I put it back in and really made sure that all was good. I then went and put 10 gallons in, half a tank, and it now reads half. So technically all should be good. We shall see.

Thanks
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  #6  
Old October 29th, 2012, 01:15 PM
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John B.
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The gauge ranges are all the same for all years..... Just make sure you have the correct sender for the tank to clear the baffles.

Also be careful that the wiring is correct....
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  #7  
Old October 30th, 2012, 08:51 AM
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Wow, I need to figure this out too. Mine acts the same way, goes to full but takes forever to pass half. I used my trip odometer as my indicator now.

Clay
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  #8  
Old October 30th, 2012, 01:55 PM
Lemonhead
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Mine never reads past 3/4 even when full - And it bounces all the time.

Would love to know what the fix is for it.

Thanks.
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  #9  
Old October 30th, 2012, 03:49 PM
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John B.
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Inspect senders and wiring. The senders do wear out over time and need to be replaced.
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  #10  
Old October 31st, 2012, 12:19 PM
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With is a fuel gauge? I've been using the trip counter for years.
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