![2007 kia spectra sx 2007 kia spectra sx](https://photos.offerup.com/_VA1bsh710LWYApr8avbm_Zx_bU=/600x450/a8f1/a8f1d519633e4606828e5c8012f58066.jpg)
![2007 kia spectra sx 2007 kia spectra sx](https://www.carspecs.us/photos/e9c76f5f4ed47d9d4dea3a4d742cc1eb24c73410-2000.jpg)
New spark plugs are NGK Iridium plugs gapped at.
![2007 kia spectra sx 2007 kia spectra sx](http://images.gtcarlot.com/pictures/66340585.jpg)
044, could that be too big? wires actually be bad? or could i be looking at a fuel problem?
![2007 kia spectra sx 2007 kia spectra sx](https://static.cargurus.com/images/site/2015/08/23/10/45/2007_kia_spectra_spectra5_wagon-pic-8043048316685923239-640x480.jpeg)
Advanced Auto said the gap in the plugs for my car should be. after changing the plug again it seemed to run fine then a few hours later it stalls again.anyone have any ideas of what could be wrong. i was told if it was the coil pack that was bad then it would affect more than one cylinder. So i changed the spark plug in that cylinder again, checked the spark plug wire with a multimeter and seems to be good. Scans for P0304-Cylinder 4 Misfire Detected. Ive noticed my car has been running kinda rough, this past weekend i changed the spark plugs and now 4 days later my car stalls out and the check engine light comes on.