P1104 – IAT Sensor Intermittent (Ford)

Description

P1104 Ford indicates intermittent operation of the intake air temperature sensor.

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Symptoms

  • Hesitation
  • Poor acceleration
  • Rough idle

Causes

  • Loose connector
  • Wiring break
  • Faulty sensor

Diagnosis

  • Inspect connector
  • Check wiring
  • Test IAT resistance

Repair

  • Repair wiring
  • Replace IAT sensor