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splash07s

trouble filling tank and on E too soon

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When I try to fill up with gas, the pump kicks off every 10-15 seconds, it takes forever to get it full. I am thinking its the vent line but I was also told it could be an evap canister. Will I have to drop the tank to clear all this up?

Also, it says I am on empty after only about 20 gallons, I know I have a 26 gallon tank, What up with that?


2004 2500HD 6.0L gas 4X4

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I guess you have already tried to adjust have far in/out the nozzle goes in? Sometimes that happens and I adjust accordingly. As for the other thing, sounds like a sending unit issue.

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Evap vent

 

 

Gauge:

 

How long have owned the truck?

 

How long has the problem been active?

 

Could be sending unit or dash gauge (if the cluster has had stepper motors replaced)

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I have had this issue since i purchased my 2012 Sierra 18 months ago, and I also had it happen on my 2010 Sierra.

 

I learned quick that only about half of the pumps I tied will do it. And when you get to a pump that does stop pumping every 10 seconds or so, just pull the spout out about 1 inch and it should correct the problem.

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its definitely not the pumps im using. The truck has 170K miles and its new to me ao I dont know how long its been going on but I have figured out that there is about 5 gallons left in the tank when the light comes on. I dont know if the stepper motors have been replaces either.

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what will be the process for clearing the evap vent? drop the tank or lift the bed? hoping neither, expecting both :(

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It requires neither, it is accessable (in plain view)

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every truck i have owned is on E too soon!!! lol

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