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Old 07-28-2011, 09:50 PM   #9
tucsonjwt
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Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,198
Re: Fuel Gauge Jumpin Around

Your symptoms point toward an aftermarket sending unit diagnosis. The gas gauge will bounce around the actual level of gas in your tank, and will settle down to a steady accurate fuel level when the vehicle is not moving for awhile. So, for about $300 and a day or two working on your back, you can fix this with two new Delco sending units.
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