What can cause OBD Codes: P0302, P0304 and P0306 at the same time in a 2003 KIA Sedona?
I have an 2002 Kia sedona the code p0304 means an 4 cylinder misfire and also the wiring and plugs.I noticed an while back that when I press the gas smoke will come from my tailpipe and now my van is hesitating to go and it stumbles and the check engine light is on,I have the same code p0304.
But do you have the same smoke and hesitation?? There are six plugs, three in the front with coils on them and three under the cast aluminum cover which is very hard to get off without watching the video.
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I have a kia sodona 2003 with code po304. I have changed the spark plugs, one of the broken coil pack, and the wires and I still haven the same problem. What is going on? Please help....
Did you change 6 plugs?? That means three are in the front with coils and three are under the aluminum cover in the back. Dont change them without going to UTube to watch the repair video
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