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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P0506: Idle Control System: Rpm Lower Than Expected

DTC P0506: Idle Control System: Rpm Lower Than Expected

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DTC P0506: IDLE CONTROL SYSTEM: RPM LOWER THAN EXPECTED

Description:  This DTC sets when the engine idle speed is less than the desired engine idle speed or the actual engine idle speed is greater than 100 revolutions per minute (RPM) below the desired RPM for greater than 5 seconds.
Possible Causes: 
  • Intake air system restriction
  • Vacuum leaks
  • Exhaust system restriction
  • Engine mechanical concern
  • Sludged throttle body
  • Damaged intake throttle actuator
Diagnostic Aids:  This DTC is informational only and it may be accompanied by other DTCs. Diagnose the other DTCs first. If other DTCs are not present, inspect the entire intake air system for restrictions, vacuum leaks, and damage. Repair as necessary. If no concerns are found, clear the DTCs. Repeat the self test.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC in this table.
Refer to the appropriate articles related to the description, possible causes and diagnostic aids.
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