P20D8 Code Definition
P20D8 Exhaust Aftertreatment Fuel Supply Control Performance
What Does the Engine Code P20D8 Mean?
Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. "0" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls is experiencing a malfunction. The last two characters "D8" is DTC number. OBD2 Diagnostic Trouble Code P20D8 means that Exhaust Aftertreatment Fuel Supply Control Performance has been detected.