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
It appears that if you disconnect the battery for 5 seconds you get your reset.
disconnect the battery for about 30 sec then reconnect it
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
Take your car to an AutoZone and ask them to pull your codes. They offer this for free, and it will reset your engine light, and you'll get to know why the light was on. Until you actually fix the problem though, the light will just come back on.
The check engine light has to be reset with a OBD scan tool
You reset the check engine light with a scan tool after repairing the failure.
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The check engine light comes on in a car when there is a problem with the engine. It will go off or be reset when the problem is fixed.
There is no reset button for the check engine light. It must be reset with an OBD scan tool.