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If it is just coming on while you start the car and then going off while the car is running, that is normal. If it is staying on after the car is running, it could be that the cap to your gas tank is not completely closed. The cap has to click atleast 3 times when you close it. I have had this problem on mine before.

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Q: Why does the check engine light come on when starting the engine of a 2002 Hyundai accent?
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Hyundai Accent check engine light?

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Why is your check engine light on in your 2002 Hyundai?

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.


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because you are one alot of ol timers call the check engine light and idiot light


Why might a 2000 Hyundai Accent engine light be blinking?

A blinking or flashing check engine light in any Hyundai is indicative of a misfire taking place. It could be due to a faulty ignition.coil, leaky ignition wires or bad or worn spark plugs.


Does the check engine light come on in the 2009 Hyundai accent when it is time for an oil change?

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.


What could be wrong when the check engine lights in on in a Hyundai Accent?

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.


Where to find the wiring diagrams for the Hyundai Accent 1999?

You can find the wiring diagram for a Hyundai Accent 1999 at various auto part stores. You can also check the vehicle's owner's manual.