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Q: What are some reasons for p0303 code..3rd cylinder misfire? on 2002 Hyundai Elantra

The problem is more noticeable when taking off or when you accellarate. Idles' fine. sometimes runs smooth with no missing.
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sounds like coil or fuel injector but you need to check the condition of the spark plug and plug wire first also check the distributor cap if your model has one may just have electronic ignition.
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