B Series Truck 2WD L4-2555cc 2.6L SOHC (1987)
Idle Speed: Adjustments
Fast Idle
Fast Idle Opening
1.
Before adjustment, let carburetor set for at least 1 hour at 73°F (23°C) or below.
2.
Using a drill or similar rod of known diameter as a measuring tool, set fast idle opening to specification by turning the adjust screw.
STANDARD CLEARANCE
0.26 - 0.30 in (0.67 - 0.76 mm)