Optima V6-2.7L (2003)
1.
Turn the ignition key to the "OFF" position. Open the hood and remove the engine cover. Disconnect the VIS (Variable Induction System)
connector and the injector connector it equipped.
2.
Disconnect the idle speed control actuator (ISCA) connector and remove the two retaining bolts. Remove the ISCA and gasket.
3.
Disconnect the throttle position sensor (TPS) connector and remove the two (2) mounting screws.