Basically this P0300 code means that the the car's computer has detected that not all of the engine's cylinders are firing properly. A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that i...
P0131, P0151, and misfire code1996 Chevy Silverado, V8, 5.7L, 130k miles The engine runs and idles ok. But when I accelerate hard, it lacks power at higher RPM (5000). At this point, the dummy light starts blinking (according to the manual it means misfire) and then goes steady af...