Question about 2004 Chevrolet Silverado 2500HD
I am having the same problem. When turning the pump on full speed it will pump for a few seconds before kicking the pump off like the tank is full even though there is no gas in the tank. I can pump gas if I barely start the pump and hold it by hand but very very slowly so it takes about 20 minutes to fill up. Its not the gas station or the way I am holding the nozzle as I have stopped 20 different places and tried every way imaginable to hold the nozzle. I have changed the filler neck, charcoal canister, and the sensor/filter that is on the side of it that I believe opens to allow fuel vapor to escape and let pressure off the tank when the truck is not running... still no luck. When I had the fuel next off there is a check valve that is made into the top next part of the tank that is spring loaded. I figured this was to keep gas from running back out in the event of a rollover and possibly keep someone from putting a hose down the next and stealing gas. At this point that is the only thing that could possibly be causing the pump to contiune to kick off every few seconds when filling up the tank. Next is to change the tank I suppose unless someone has already ran into this issue and can tell me what I need to do to fix the problem.
Posted on Sep 30, 2011
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Posted on Jan 02, 2017
ARE YOU SURE YOUR NOT JUST HEARING THE FUEL PUMP RUN? IF YOU HAVE RULED OUT THE PUMP TRY CHECKING YOU VENT TUBE OFF PF THE FILLER TUBE FOR BLOCKAGES.
Posted on Oct 12, 2009
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