G 3500 1 Ton Van V8-454 7.4L (1989)
![background image](/gmc/g_3500_1_ton_van/v8-454_7.4l/Page-785001.png)
Idle Speed: Specifications
Minimum Idle Air Rate
Minimum Idle Air Rate
Engine Speed
Note: Let engine idle until proper fuel control status is
open loop.
Manual Transmission
Neutral
700 +/- 25 rpm
Auto Transmission
Drive
700 +/- 25 rpm