P1129 – Throttle Control Motor Stuck (Ford)

Description

P1129 Ford indicates the throttle control motor is stuck or not responding.

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Symptoms

  • Limp mode
  • Poor acceleration
  • Hesitation

Causes

  • Stuck throttle plate
  • Motor failure
  • Wiring issues

Diagnosis

  • Inspect throttle body
  • Check motor resistance
  • Scan throttle data

Repair

  • Replace throttle body
  • Repair wiring