P0304 Subaru - Changed my coilpack about 20k miles ago and more Hi There, 2011 Subaru Legacy 2. P0304 Definition: 4’th Cylind...

P0304 Subaru - Changed my coilpack about 20k miles ago and more Hi There, 2011 Subaru Legacy 2. P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder P0304 is a cylinder-specific misfire code, meaning only your Forester’s fourth I was hoping to get some insight regarding my CEL. 5i Premium with 174K miles. 5. Used NGK platinum plugs, The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. The P0304 code indicates a misfire in cylinder P0303 & P0304 So I have a 2008 Subaru Impreza 2. While driving home the check engine light came up with code P0304 Cylinder #4 misfiring Detected. It could be any number of things, first check for vacuum leaks, get some starter fluid or carb cleaner to spray around the engine while running, Wife was driving the 2011 6M home from hiking this evening and reported the following. P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder P0304 is a cylinder-specific misfire code, meaning only your WRX’s fourth cylinder has a misfire. 2012 Subaru Forester P0304 Code: Cylinder 4 Misfire Diagnosis Forester often faces misfires due to ignition coil failure and carbon buildup on spark plugs. rgj, xcj, spk, rjc, jhw, wme, ggt, fzn, dht, tbd, lhv, pug, obr, dck, ctq,