2. Separate the wiring connector from the valve.
3. Connect ground to the GR clamp. With all electrical fittings turned off, the engine idle speed should be 950-1050 rpm. If not, readjust the valve screw as needed (photo).
Power steering idle valve adjustment screw (marked with an arrow) | Power steering idle connector clamps |
4. Stop the engine, reconnect the connector and remove the tachometer.