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2014 LINCOLN MKX

3.5L V6AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor515Torque3889Fluid9DTC952Battery0Maintenance0Recalls1
P1117low severityPowertrain

ECT Sensor Intermittent

on 2014 Lincoln MKX 3.5L V6 · AWD

What this code means

The Engine Coolant Temperature sensor signal is intermittent or erratic. The PCM detects signal dropouts or fluctuations from the ECT sensor.

Symptoms

  • Check Engine Light
  • Erratic temperature gauge
  • Fan cycling erratically
  • Poor fuel economy

Common causes

  • Loose ECT sensor connector
  • Corroded wiring
  • Faulty ECT sensor
  • Damaged connector pins

Diagnostic steps

  1. Inspect ECT sensor connector
  2. Wiggle test wiring while monitoring reading
  3. Test sensor resistance
  4. Check wiring continuity

Repair notes

Repair connector or wiring. Replace ECT sensor if faulty.

Other Powertrain codes on this vehicle

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