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2003 LEXUS GS 300

3.0L I6RWDAUTOMATICgas
Repairs0Labor498Torque2468Fluid7DTC734Battery0Maintenance0Recalls0
P0114low severityPowertrain

IAT Sensor 1 Circuit Intermittent

on 2003 Lexus GS 300 3.0L I6 · RWD

What this code means

The IAT sensor signal is intermittent.

Symptoms

  • Check Engine Light (intermittent)
  • Erratic idle

Common causes

  • Loose connector
  • Damaged wiring
  • Intermittent sensor failure

Diagnostic steps

  1. Wiggle test
  2. Monitor IAT signal
  3. Inspect connector

Repair notes

Repair connector or wiring.

Other Powertrain codes on this vehicle

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