F 150 2WD Pickup V8-351 5.8L (1986)
Idle Speed: Adjustments
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. See: Specifications
-
Recheck for repeatability.
-
Remove plugs from the EGR valve, air bypass valve, and purge control valve vacuum hoses and reconnect.
