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Hi all. I know this has been brought up before but could use a few opinions. I have had 3 Caddys in a row with the gas gauge problem, All 3 go nuts under half a tank, First was 1 99 Deville, second was 01 eldo, third and current is my 97 Deville. I am tempted to cut the wire for now at the pump so it reads full all the time til I can fix it. I have tried chevron techron multiple times, even multiple tanks in a row. I have tried other (cleaners) and nothing works. Anything under about 11 gallons and the gauge jumps to full, then seconds later empty, Of course it dings and the message comes up. The part to fix the sender is 100.00 A whole pump unit is about 200.00 I am torn as to whether to replace the whole unit or to take my chances on just replacing the sender part. For now I have been just filling it twice a week and have been reading the fuel used. My 96 Never did this, my 97 SLS luckily has never done this, but from what I hear it is a very common problem. I am changing the pump unit on the 97 SLS because the pump got loud and is bad. I was thinking about putting the sender from the SLS on the Deville but would hate to waste my time. Would be very nice if they had the access over the tank. Would save me from having to pull 2 tanks down.