Operation CHARM: Car repair manuals for everyone.

Minimum Air Rate




UNDER 8500 GVW

Transmission Gear Idle Speed OPEN/CLOSED Loop

Man N 500 +/- 25 OL [1]

Auto D 425 +/- 25 OL [1]

[1] Let engine idle until proper fuel control status is reached (OPEN/CLOSED loop).

OVER 8500 GVW

Transmission Gear Idle Speed OPEN/CLOSED Loop

Man N 550 +/- 25 CL [1]

Auto D 450 +/- 25 CL [1]

[1] Let engine idle until proper fuel control status is reached (OPEN/CLOSED loop).