i hav a 1998 gmc serria 2wd my gas tank wont accpect gas after like 10-20 $ of gas than it over fills somehow

Asked by Apr 22, 2013 at 04:44 AM about the 1998 GMC Sierra 1500 C1500 SL Extended Cab LB

Question type: Maintenance & Repair

i have tried to putgas in my gas tank but once i get to a point it starts to come back up the fuel tank neck and over fill and i dont know wat to do cuz my truck runs fine but i just can put more than 10-20$ of gas than it fills the neck up what is the problem

5 Answers

261,765

Sounds like the fuel vent line is clogged.

do u have to get a new one or can u unclogg it

102,295

Here's what the vent valve looks like - http://www.ebay.com/itm/Dorman- 911-001-Fuel-Tank-Vent-Valve-/130435514599? pt=Motors_Car_Truck_Parts_Accessories&fits=Year%3A1998%7CMake %3AGMC&hash=item1e5e9000e7&vxp=mtr --- The vent line should be the small black rubber line that plugs into it.

1 of 1 people found this helpful.

alight thanks

35,545

Sounds like your tank is full and your gauge is reading wrong.

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