P1005 – Idle Control Range/Performance (Ford)

Description

P1005 Ford indicates that idle speed is outside the PCM’s control range. This can cause rough idle, stalling, or unstable RPM.

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Symptoms

  • High or low idle
  • Stalling
  • Rough idle

Causes

  • Dirty throttle body
  • Faulty IAC valve
  • Vacuum leak
  • Incorrect base idle

Diagnosis

  • Inspect for vacuum leaks
  • Check IAC operation
  • Review throttle body condition

Repair

  • Clean throttle body
  • Repair leaks
  • Replace IAC valve

Related Problems

Related Fault Codes