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The check engine light came on, got codes check and that P0506 code came on. It said something about the idle air control and 2006 F150 4.6 doesn't have idle air control. What could be wrong?
 

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First off, welcome aboard.

DTC Code: P0506 Description: Idle Air Control System Revolutions Per Minute Lower Than Expected Probable Causes:
  1. Sensor or solenoid faulty
  2. Connector terminal contact is damaged or corroded
  3. Wire harness - Check harness for correct voltage, open, short to ground or short to voltage
  4. Update control unit software - Check for the latest control unit update
  5. Powertrain or Engine Control Module faulty
 
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