
Top 20 Check Engine Codes of 2020
In 2020, the FIXD app detected over 18 million check engine lights. These are the 20 most common check engine codes detected and cleared by the FIXD OBD2 Sensor. Keep reading to discover symptoms associated with these OBD codes, the most common causes, and how to diagnose these common car problems at home. #1: P0300 Of the 18 million scans completed in 2020, over 193,000 received this common engine code which indicates that one or more cylinders are experiencing misfires. Symptoms: Check engine light is on or flashing Engine running rough Lack of power Fuel smell from engine exhaust Hesitation