Cool 2007 Hyundai Elantra Check Engine Light Gas Cap Ideas. Gas cap issues are significant as they can trigger the check engine light hyundai elantra due to fuel vapor leaks. 20 minutes later, check engine light.
So i got gas and resealed the gas cap. After only owning it for a little over a month the check engine light came on, i took it to the dealer and after running the diagnostic they had to replace a seal that keeps fuel from vaporizing into the air (i’m sorry but i forget what it was called) The gas cap is a part of the vehicle’s evaporative emissions system and.
