I changed spark plugs on LH (front) side. P0305 Cyliner 5 Apart from that I am also getting P1472 (VIS motor 2) which leads to lean air fuel mixture. I am getting the following engine misfire codes: i P0300 - random misfire ii P0301 Cylinder 1 iii.See here for a step- by- step guide on how to diagnose and fix check engine light code P0303. FIXD explains symptoms, causes, and severity of code P0303. Learn what does P0303 Chrysler Cylinder Misfire Fault Detected means? Code P0303: Cylinder 3 Misfire Detected. Repair Information for P0303 Chrysler code.