Check your gas cap. Lots of times its not on tight and causes your light to come on. After you check your cap remove your negative battery cable for a minute to clear the computer and then see what happens
If the check engine light it on a 2002 Hyundai Accent on one of the sensors is malfunctioning. The computer is acknowledging this and alerting the driver that there is a problem in the engine.
I have a 99 Hyundai Sonata That the check engine light came on, and # 3 & 5 Injectors were fouled
it has a problem
No the check engine light will not come on
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.
P 0172
you disconnect the battery for a couple minutes.
No
take it to autozone and they'll tell you fro free
disconnect the battery for about 30 sec then reconnect it
No, the check engine light means there is a problem with the emissions system. The maintenance required light means something like an oil change needs to be done.
When my check engine light comes on, it is caused by the temperature sensor not working. As soon as the light comes on, my temperature drops to cool. If the light goes out, the temp gauge returns to normal.