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2011 FORD F-150
3.7L V6•4WD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor505Torque4429Fluid10DTC1127Battery1Maintenance0Recalls6
P0507moderate severityPowertrain

Idle Air Control System RPM Higher Than Expected

on 2011 Ford F-150 3.7L V6 · 4WD

What this code means

The idle speed is consistently above the target RPM.

Symptoms

  • High idle speed
  • Engine racing at idle

Common causes

  • Vacuum leak (most common)
  • IAC valve stuck open
  • Throttle plate not closing fully
  • Intake gasket leak

Diagnostic steps

  1. Check for vacuum leaks
  2. Inspect throttle plate
  3. Test IAC valve
  4. Check intake gaskets

Repair notes

Find and fix vacuum leak. Clean throttle body. Replace IAC if stuck open.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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