Check for vacuum leaks
Faulty Positive Crankcase Ventilation (PCV)
Engine Light ON (or Service Engine Soon Warning Light)
Positive Crankcase Ventilation Air Leakage is the generic description for the P1505 Acura code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1505 Acura OBDII code.