S10/T10 P/U 2WD L4-151 2.5L (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.
closed loop.
Add 1 count for every 1000 ft above sea level.
Manual Transmission
Neutral
900 rpm
15-20
Auto Transmission
Drive
800 rpm
15-40