DESCRIPTION
INSPECTION PROCEDURE
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0505)
CHECK PCV HOSE CONNECTIONS
CHECK INTAKE SYSTEM
INSPECT THROTTLE BODY ASSEMBLY (VISUALLY CHECK THROTTLE VALVE)
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE EGR STEP POSITION)
INSPECT EGR VALVE ASSEMBLY
REPLACE ECM
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED