Fast Idle Speed

FAST IDLE SPEED ADJUSTMENT
- Set parking brake, block wheels and place the transmission in Park (automatic) or Neutral (manual).
- Bring the engine to normal operating temperature.
- Disconnect the vacuum hose at the EGR valve, air bypass valve, and purge control valve and plug.
- Place the fast idle adjustment mechanism on specified step of fast idle cam. Check/adjust fast idle rpm to specification. Specifications
- Recheck for repeatability.
- Remove plugs from the EGR valve, air bypass valve, and purge control valve vacuum hoses and reconnect.