Incredible 2004 Honda Accord Ex Check Engine Light References. The video also provides steps on how to read the 2004 honda accord ex 2.4l 4 cyl. Spark plug or spark plug wire problems;
But if the light stays on, then you have a problem with your engine. A steady light typically indicates a problem with the vehicle's computer system, such as a sensor that is not delivering or receiving the correct data needed. The first time it came on, i had the spark plugs replaced.
