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Rich
Rich, Technician
Category: Car
Satisfied Customers: 708
Experience:  ase certified, mitsubishi certified, kia certified and landrover certified technician
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I have a KIA optima and the check engine light came on ...

Customer Question

I have a KIA optima and the check engine light came on but it has been supputtering a little before this happen. Any suggestions what it could be.
Submitted: 6 years ago.
Category: Car
Expert:  Rich replied 6 years ago.

HI Mack,

It sounds like you have a misfire causing your sputtering and will cause the computer to store a fault. The easiest way would be to have the code read and that will tell you which cylinder it is and you can proceed to check the plug and wire, but either way you will have to have the code cleared with a scan tool even after fixing it. Here in Florida some autoparts stores do this for free. (Autozone)

Customer: replied 6 years ago.
Reply to Rich's Post: could it be anything else it only has 70,000 miles
Expert:  Rich replied 6 years ago.

Yes it could,

I was not aware of the miles, I would also strongly suggest you check the timing belt, the service interval on that is 60,000 miles. As far as the sputtering there are many other things that can cause this, just for example an injector, the computer, the coil, the timing belt jump a tooth. I based my diagnosis on the description you gave that it was sputtering a little, this is usually indicative of a misfire and what I told you was what I have personally seen at the dealership the majority of the time.But do have the code read because that can save you a little time and like I said you will have to get it cleared out anyway because it won`t go away. And do check or have the timing belt checked, this is a weak spot on this engine I have seen many break and cause engine damage.

Rich, Technician
Category: Car
Satisfied Customers: 708
Experience: ase certified, mitsubishi certified, kia certified and landrover certified technician
Rich and 15 other Car Specialists are ready to help you
Customer: replied 6 years ago.
Reply to Rich's Post: It only supputtered every now and then but I am having it looked into tomorrow is it going to hurt if I continue to drive it.
Expert:  Rich replied 6 years ago.
If it is only now and then you should be ok. In addition to the engine light do have that timing belt checked because they give little or sign of going out.

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