Gas line/gas mileage problem

Tiny
LADYDTERE
  • MEMBER
  • 2003 HYUNDAI TIBURON
  • 4 CYL
  • AUTOMATIC
  • 89,000 MILES
I have two problems that I don't think are related but perhaps I am wrong. The first happens when I try to pump/refuel, it keeps clicking off as if the tank were full (I could be on empty and it still does the same thing) it takes forever to fuel up. I thought it was the gas station pump but it happens no matter where I pump my gas. This has been going on for a couple of months.
Second problem, within the last week or two I have been getting horrible gas mileage (20 miles on a 1/4 tank) where as I used to get 85 -90 miles on a 1/4 tank. The engine light is not on. I went through this when I first bought the car and was told it was a sensor.
Would appreciate your thoughts.
Monday, December 13th, 2010 AT 12:53 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
The difficult refueling is common with Hyundai and Kia vehicles and is related to the EVAP system.

Have a scan done to check if any trouble codes are stored.

The poor mileage could be related so we start off with the scan.
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Monday, December 13th, 2010 AT 2:25 PM

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