Question about 1996 GMC Sonoma
The sending unit is made together as a fuel pump module.pricey change pig tail harness also
Posted on Jan 30, 2009
Replace the sending unit - it's inside the tank. Probably costs about $60-80 or so, plus a few hours' labor.
Posted on Aug 14, 2008
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Posted on Jan 02, 2017
SOURCE: gas gauge
The float that moves the gas hand is possibly stuck in the tank. If there's isn't an access hole in the rear of the vehicle you'll have to drop the tank. Unless it becomes free on it's own. Hope this is helpful. Please rate. Thanks
Posted on Sep 28, 2008
Most likely it a bad fuel level sensor on you fuel pump. You will have to replace the fuel pump as that is the only way to replace the sensor for you fuel gauge. The sensor is built into the fuel pump. The contacts on the sensor become corroded over time and cause the sensor to malfunction causing your fuel gauge to read full all the time. I have a 2001 Montana extended version that had the same problem. In order to know when I needed to fill the tank, I would completely fill it each time I put fuel in and reset my trip odometer. I would go 400 miles on the tank before I would refuel until we were able to replace the fuel pump.
Posted on Oct 30, 2009
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