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First thing to do would be give your car a once over in the service department. If you have not done so recently (last 6 months or 5-10,000 km) check/change/clean things such as engine oil, oil filter, spark plugs, air filter, fuel filter, spark plug leads, etc.

If this does not resolve the problem, check the ECU for any stored error codes. If any errors are detected, the CHECK ENGINE light will come on, but it goes off after the error stops. The code is howerever is stored until you disconnect your car battery or remove the ECU fuse.

Chances are if your car is stuttering a lot, and it is the result of a faulty sensor or plug, then the check engine light will be coming on a lot.

I am currently working on a new homepage for my S-Coupe, and have posted details of the ECU error codes and checking procedure can be found at...

This information is from the Australia spec workshop manual, so I cannot guarantee it is the same as yours, but as the manual seems to cover a lot of countries (including Europe, Asia and the Middle East) it may be the same worldwide.

Either that, or take your car to your local Huyndai dealer, and for a small charge (or free if u take along a hot looking girlfriend) and they will be able to plug in their Hi-Scan unit and tell you if there is any error codes stored.

I hope this is of some assistance.

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