Bronco L6-300 4.9L VIN Y 1-bbl (1983)
Idle Speed: Adjustments
Curb Idle Speed
CURB IDLE SPEED ADJUSTMENT
NOTE: Fast idle speed should be adjusted first.
1. Place the transmission in Neutral or Park
2. Bring engine to normal operating temperature (upper radiator hose hot).
3. Place A/C Heat Selector to Off position.
4. Check curb idle rpm. Insure that Throttle Solenoid Positioner (TSP) is activated. Using a 3/8 inch open end wrench, adjust curb idle rpm by
rotating the nut directly behind the dashpot housing.
CURB IDLE SPEED SPECIFICATION: See: Specifications
