Hyundai Elantra Fuel tank

HYUNDAI ELANTRA
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GATECRASHER
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  • 1 POST
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Hyundai Elantra Engine Size unknown Front Wheel Drive Manual 120k miles
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Hi, the problem I am having is regarding fuel backup in the tank. As I am fueling up my car, I can fill .3 gallons of gas and it backs up, causing the pump to stop fueling. Not sure what is causing this problem, any suggestions?
Dec 23, 2007 at 8:15 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
first try different angles of the nozzle when filling and check to see the fuel filler hose isnt kinked.

if those are good you may have a restricted or shut check valve on the top on the fuel tank, also you may have a plugged, cracked, vaccum line going to it.

if those two are good then you have a bad carbon canister.
Dec 24, 2007 at 12:50 AM
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