F 250 2WD Pickup V8-351 5.8L VIN H 4-bbl HP (1985)
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4180C-4V
Type 2150A-2V FB (Feedback)
FAST IDLE SPEED ADJUSTMENT
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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 electric connector on the evaporative cannister purge solenoid.
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Disconnect the vacuum hose at the EGR valve and plug.