P0302 Cylinder 2 misfire
I have a P0302 fault (cylinder 2 misfire). I replaced the spark plugs just a week ago, and when I checked them today they all still look new, except for the cylinder 2 plug. It is completely corroded on the top end (where it plugs into the spark plug wire). I know there are a large variety of problems that could cause a cylinder misfire, however the condition of the new spark plug leads me to believe it is an ignition problem. I replaced the ignition coil, checked all the spark plug wires for continuity between the coil and the plug, and replaced the corroded plug, yet I still get the P0302 code and the car still jerks and bucks on acceleration. Anybody have any ideas on what else I can try, or why the plug is corroding so badly?
I have the same problem with a 2003 kia rio po302 # 2 misfire but also have code po113 , I don,t know if they affect one another po113 is a IAT senor that i replaced but all the plugs looked great and wires are pretty new if you fined out anything please let me know and i will do the same bob newjerseyguy64@comcast.net
I have the same problem with a 2011 kia rio. This has happened to me on 12/8/12 and 2/6/13. I keep getting the misfire codes...... Kia dealer saying its made gas.. The replaced two ignition coils on the two different cylinders on separate.. I dont trust this car. It is still under warranty.. I want to trade this car.....
I meant to say I have the same problem with a 2011 kia rio. This happened to me on 12/8/12 and 2/6/13. I keep getting the misfire codes.. The kia dealer saying its bad gas and only to use Shell gas. IT is still jerks when I put it in reverse and it stalls when I drive... The engine is off now but this is a bad sign off it is already messing up and it is still under warranty.. smh... I'm writing to the coporate office...
exact same thing happening to me KIA RIO 2011; when I'm at red lights it jerks and shakes for no reason I can figure out; also has the P0302 code; still under warranty and already has problems. Ridiculous!
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