Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)
NOTE: No physical adjustment of the IAC valve assembly is required after installing the throttle body. The IAC valve is reset by the ECM when the
car is driven normally above 20 mph. For diagnosis and testing procedures, see COMPUTERIZED ENGINE CONTROLS/DIAGNOSIS AND
TESTING PROCEDURES.
