F 150 2WD Pickup V8-351 5.8L (1986)
Idle Speed: Adjustments
Fast Idle Speed
FAST IDLE SPEED ADJUSTMENT
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Set parking brake, block wheels and place the transmission in Park (automatic) or Neutral (manual).
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Bring the engine to normal operating temperature.
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Disconnect the vacuum hose at the EGR valve, air bypass valve, and purge control valve and plug.
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Place the fast idle adjustment mechanism on specified step of fast idle cam. Check/adjust fast idle rpm to specification. See: Specifications
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Recheck for repeatability.
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Remove plugs from the EGR valve, air bypass valve, and purge control valve vacuum hoses and reconnect.