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Diagnose/P0110
P0110Low SeverityFuel System

Intake Air Temperature Sensor Circuit Malfunction

What This Means

The Intake Air Temperature (IAT) sensor circuit has a malfunction preventing normal operation. 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.