Air Temperature Sensor ( Ambient / Intake ): Description and Operation

1999 Chrysler Cirrus L4-2.4L VIN XSECTION Description and Operation

Intake Air Temperature Sensor and MAP Sensor-2.4L:




INTAKE AIR TEMPERATURE SENSOR-PCM INPUT
The IAT sensor threads into the intake manifold.

The Intake Air Temperature (IAT) sensor measures the temperature of the intake air as it enters the engine. The sensor supplies one of the inputs the PCM uses to determine injector pulse width and spark advance.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.