Hi everyone, I am getting problem with a Kia Rio Year: 2005, Capacity: 1400ccc. The car is misfire. I have scan the car and found the following codes: 1) P0302 - Cyl.2 misfire detected.2) P0304 - Cyl.4 misfire detected. 3) P0300 - Random Misfire detected. 4) P... Login to read more.