P0303 Code: Easy Steps to Solve It
The P0303 code is a diagnostic trouble code (DTC) that indicates a misfire detected in cylinder 3 of an engine. This code is part of the OBD-II system, which monitors various aspects of a vehicle’s performance. When the engine control module (ECM) detects an irregularity in the combustion process of the third cylinder, it triggers this code and usually illuminates the check engine light. P0303