Optima V6-2.7L VIN 4 (2007)
Oil Pressure Switch (For Fuel Pump): Testing and Inspection
OIL PRESSURE SWITCH
1. Check that there is continuity between the oil press switch terminal (A) and ground with the engine off.
2. Check that there is no continuity between the terminal and ground with the engine running.
3. If operation is not as specified, replace the switch.
