2000 Hyundai Accent above half a tank it has a rough idle

2001 HYUNDAI ACCENT
121,000 MILES • 4 CYL • FWD • MANUAL
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When the car is filled above half a tank it has a rough idle, it occasionally stalls but it is okay when under half tank. I removed the spark plugs and it appears as if its running rich. Any help you can give would be appreciated.
Oct 14, 2010 at 10:58 PM
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