C 2500 Truck 2WD V8-305 5.0L (1990)
Idle Speed: Specifications
Controlled Idle Speed / IAC Counts
Controlled Idle Speed / IAC Counts
Idle Speed
IAC Counts
Note: Add 2 counts for engines with less
than 500 miles. Add 2 counts for every
1000 ft above sea level.
Manual Transmission
Neutral
600 rpm
5-30
Note: Let engine idle until proper fuel control
status is open loop.
Auto Transmission
Except 3 Speed Auto
Drive
500 rpm
5-30
Note: Let engine idle until proper fuel control
status is closed loop.
3 Speed Auto
Drive
500 rpm
5-30
Note: With FEDERAL emissions and no AIR
Note: Let engine idle until proper fuel control
system
status is closed loop.
