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2001 GMC SAVANA
4.3L V6•RWD•gas•L35
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Repairs0Labor505Torque139Fluid8DTC1763Battery1Maintenance0Recalls0
P1141low severityPowertrain

IAT Sensor Circuit Range/Performance

on 2001 GMC Savana 4.3L V6 · RWD

What this code means

The intake air temperature sensor signal is out of its normal range. The reading is present but not performing correctly.

Symptoms

  • Check engine light on
  • Rough cold running
  • Reduced fuel economy

Common causes

  • Faulty IAT sensor
  • Corroded connector
  • Damaged wiring
  • Restricted airflow at sensor

Diagnostic steps

  1. Scan and view IAT sensor data
  2. Inspect sensor and connector
  3. Test sensor resistance across temps
  4. Replace IAT sensor if out of range
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