Faulty Air Assisted Injector
Air Assisted Injector harness open or shorted
Air Assisted Injector poor electrical connection
Faulty Engine Control Module (ECM)
Engine Light ON (or Service Engine Soon Warning Light)
This Diagnostic Trouble Code (DTC) is stored when a fault is detected with the air assisted injector circuit. Air is injected and allowed mix with the fuel to create more finely atomized fuel. This leads to more stable combustion.