can spark plugs cause misfire
Car misfires often caused by spark plugs, ignition boot Car Care: Take cars that misfire regularly to a repair shop, where mechanics should check for bad spark plugs or an ignition boot failure. Chris Garman(Photo: Chris Garman) Question: I have a 2006 Kia Sedona, and it randomly misfires roughly once for every week of normal driving and once after each carwash.