Basic Throttle Setting: 850
WARNING: This page is about a different car, the 1996 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.
Loosen basic throttle setting adjustment screw lock nut. See Fig 1 . Turn screw until throttle is completely closed. On 850, tighten adjustment screw until it touches throttle lever and then turn an additional 1/2 turn. On all models, tighten lock nut, making sure not to change adjustment. Recheck basic throttle setting.