R 3500 P/U 2WD V8-454 7.4L VIN W 4-bbl (1988)
Idle Speed: Specifications
Controlled Idle Speed / IAC Counts
Controlled Idle Speed / IAC Counts
Idle Speed
IAC Counts
Note: Let engine idle until proper fuel control status is
Note: Add 2 counts for engines with less than 500 miles.
open loop.
Add 2 count for every 1000 ft above sea level.
Manual Transmission
Neutral
800 rpm
5-30
Auto Transmission
Drive
750 rpm
5-30