The computer has sensed a malfunction that is either performance or emmissions related. The engine may be running okay, but you need to have the ODBII scanned to see what the trouble code(s) is/are. The beauty of computers and check engine lights is that the system senses problems while they are at an early stage, therefore, you don't have to wait till the engine runs crappy before you realize there is a problem.
The check engine light, on your Hyundai Elantra can be reset by removing the fuse. Keep the fuse out for 10 seconds and replace it to its slot.
No the check engine light will not come on
take it to autozone and they'll tell you fro free
Transmission problems.
It means there is a problem with the emissions system. Seek professional help.
The computer has detected a problem with the emissions system. Take it to a professional.
Check the battery in the remote.
Water in fuel? Have vehicle scanned to determine the problem
the check engine light comes on for many reason or many parts usally emmision related.
Does the 2007 Hyundai Elantra have a power steering pump? How do I check the fluid level? How often should it be replaced? Thanks.
Check the related link for info.
A simple way to check the air conditioning on a 2003 Hyundai Elantra is to turn on the unit in a car. If the air will not blow cold or at all the an the AC system will need to be looked at.