What does the P0301 cylinder misfire fault mean?
1 Answers
P0301 fault code refers to cylinder misfire, which can cause abnormal engine operation and various issues while driving. The details are as follows: 1. Cylinder misfire refers to the phenomenon where the air-fuel mixture fails to combust properly in the cylinder due to various reasons during engine operation. If the electronic control unit detects this fault, it may damage the catalytic converter, leading to misfire. 2. After a cylinder misfire occurs, the fault light on the car's dashboard will illuminate. When this happens, the driver should immediately find a safe area to turn off the engine. The main causes of this fault include ignition system failure, fuel delivery issues, air leaks in the intake manifold or EGR/PCV, and mechanical cylinder failure.