DTC P0300 on 2019 Nissan Rogue: Can Tight Exhaust Valve Clearance Really Require a New Engine?
My 2019 Nissan Rogue is experiencing sputtering during both driving and idle conditions. A diagnostic check revealed DTC P0300, indicating a random misfire. The mechanic has advised that the exhaust valve clearances are too tight to repair, suggesting a complete engine replacement. Before I commit to spending thousands on a new engine, I'd like to know if there's any alternative solution. Can anyone confirm whether tight valve clearance always necessitates a full engine overhaul? Any real-world experiences or technical insights would be greatly appreciated.
It's worth having a reputable machine shop or another qualified mechanic inspect the issue—tight valve clearance doesn