Idle Speed: Volkswagen
- Warm engine to normal operating temperature (oil temperature of 122-158°F or 50-70°C). Adjust idle speed to 810-950 on Turbo Diesel models and 800-850 RPM for all other models.
- To adjust, loosen lock nut and turn screw in to raise idle speed, or out to lower idle speed. Retighten lock nut and seal with paint.