2001 hyundai elantra --check engine light

--i did not screw on tighly the gas cap on 2001 hyundai elantra gt and the check engine light came on and stayed on even after the gas cap was screwed back on tightly
--question--what can i do to get the check engine light to turn off...thanks
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The lamp will turn off after a week of normal driving for most people. Your car will need to run the evaporative system test 3 consecutive times with no failures for the computer to turn off the lamp. You should expect that the test will run no more than once each time the vehicle is driven.
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thanks hyundaitech
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turn you cap at least two to three full turns. The light should go out within a week. Don't unscrew it and tighten it, won't work. If it doesn't go out you can buy a new HYNDAI GAS CAP from your dealer...NOT A STORE BOUGHT ONE. As long as teh car isn't idleling rough or stalling, That would be a sign of a bad oxygen sensor........... then it should be fine. Nothing else should be wrong with your car other than teh gas cap.
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