Except 760 GLE

Install a .004" (.10 mm) feeler gauge between throttle pulley and idle stop. See Fig 1 .
Check that distance between throttle lever and adjustment screw is .004" (.10 mm). If adjustment is not within specification, adjust link arm.

Fig 1: Checking Throttle Pulley Adjustment (Except 760 GLE)

Courtesy of VOLVO CARS OF NORTH AMERICA.