P1116 – Engine Coolant Temperature Sensor Out of Self-Test Range (Ford)

Description

P1116 Ford indicates the ECT sensor is out of range during self-test.

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Symptoms

  • Poor fuel economy
  • Slow warm-up
  • Hesitation

Causes

  • Contaminated sensor
  • Wiring resistance
  • Faulty sensor

Diagnosis

  • Check ECT data
  • Inspect wiring
  • Test resistance

Repair

  • Replace sensor
  • Repair wiring