P1127 – Throttle Control Motor Undercurrent (Ford)

Description

P1127 Ford indicates the throttle control motor is drawing insufficient current.

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Symptoms

  • Hesitation
  • Poor acceleration
  • Low idle

Causes

  • Weak motor
  • High wiring resistance
  • Throttle body wear

Diagnosis

  • Measure motor current
  • Inspect wiring
  • Test throttle body

Repair

  • Replace throttle body
  • Repair wiring