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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor995Torque7006Fluid18DTC3798Battery2Maintenance0Recalls14
P0127moderate severityPowertrain

Intake Air Temperature Too High

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The intake air temperature sensor is reporting an excessively high air temperature. This can reduce power and cause knock.

Symptoms

  • Reduced engine power
  • Engine knock or ping
  • Poor fuel economy

Common causes

  • Faulty intake air temperature sensor
  • Restricted airflow to intake
  • Hot air recirculating in engine bay
  • Faulty PCM

Diagnostic steps

  1. Compare IAT reading to actual temperature
  2. Inspect intake ducting for restrictions
  3. Check for hot air sources near intake
  4. Replace sensor if faulty
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