V 3500 P/U 4WD V8-350 5.7L (1989)
![background image](/gmc/v_3500_p/u_4wd/v8-350_5.7l/Page-663001.png)
Idle Speed: Specifications
Minimum Idle Air Rate
Over 8500 GVW, Minimum Idle Air Rate
Over 8500 GVW, Minimum Idle Air Rate
Engine Speed
Note: Let engine idle until proper fuel control status is
closed loop
Manual Transmission
Neutral
550 +/- 25 rpm
Auto Transmission
Drive
450 +/- 25 rpm
Under 8500 GVW, Minimum Idle Air Rate
Under 8500 GVW, Minimum Idle Air Rate
Engine Speed
Note: Let engine idle until proper fuel control status is
reached open loop
Manual Transmission
Neutral
500 +/- 25 rpm
Auto Transmission
Drive
425 +/- 25 rpm