P0300 Chevy is created when your engine experiences a misfire that is not limited to a single cylinder. This code is sometimes used in conjunction with others, such as P0301, which indicates a misfire on cylinder 1 (cylinder 1 being the first cylinder in the firing order). It’s usually the engine’s front-most cylinder. If these engine codes are also present, diagnose them first because they are most likely the source of this error code. Your check engine light will illuminate …
