K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995)
Idle Speed: Specifications
Controlled Idle Speed
Transmission
Gear
Idle Speed
IAC Counts [1]
OPEN/CLOSED Loop [2]
Manual
N
750 +/- 25
5-30
CL
Automatic
D
675 +/- 25
5-30
CL
[1]
On manual transmission vehicles the SCAN tool will display RDL in Neutral. Add 2 counts for engines with less than 500 miles. Add 2 counts for
every 1000 ft. above sea level.
[2]
Let engine idle until proper fuel control status is reached (OPEN/CLOSED loop).
