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Diagnose/P0114
P0114Low SeverityFuel System

Intake Air Temperature Sensor Circuit Intermittent

What This Means

The Intake Air Temperature (IAT) sensor signal is cutting in and out unpredictably. This sensor measures the temperature of incoming air to help the engine computer adjust the fuel mixture.

Common Symptoms

  • Slightly rough idle
  • Minor fuel economy decrease
  • Check engine light on
  • Hard starting in extreme temperatures

Common Causes

  • Faulty IAT sensor
  • Damaged or corroded wiring
  • Poor electrical connection
  • Sensor contamination
  • Open or short circuit

Estimated Repair Cost

$50 – $200
Parts and labor (varies by vehicle and location)
Difficulty:Easy

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.