Cold (Fast) Idle Rpm
- Place transmission in neutral. Move cam follower onto highest step of fast idle cam. Disconnect and plug vacuum hose to EGR valve.
- Start engine without touching throttle. Turn fast idle speed screw to adjust speed to specification.
FAST IDLE SPEED (RPM)
| Application | Man. Trans. | Auto. Trans. | |||
|---|---|---|---|---|---|
| Light Duty | |||||
| Federal | (1) 1300 | 1600 | |||
| Calif. | ..... | 1800 | |||
| Heavy Duty | 1900 | 1900 | |||
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