p0300 engine misfire diagnosis
Engine Fault Codes Exposed - 5 Silent Misfire Triggers
30% of random misfire cases trace back to five silent triggers that aren’t spark-plug related. These triggers are hidden fuel delivery problems, low compression, faulty sensors, clogged injectors, and timing irregularities. Understanding them lets you diagnose P0300 and related codes without guesswork. Engine Fault Codes - Understanding the Basics