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Where is the air intake temperature sensor on 2003 Chevrolet avalanche?

The air intake temperature (IAT) sensor on a 2003 Chevrolet Avalanche is typically located within the air intake system, often near the mass airflow sensor (MAF) sensor. It's usually a small, two-wire sensor that looks similar to a thermistor.

However, the *exact* location can vary slightly depending on the engine (4.8L, 5.3L, or 6.0L). To find it with certainty:

1. Consult your vehicle's repair manual: This is the most reliable source. The manual will have diagrams and specific instructions.

2. Look near the MAF sensor: The MAF sensor is usually a larger rectangular housing located in the intake tube just after the air filter box. The IAT sensor is frequently mounted very close to it, or even integrated into the same housing.

3. Use online resources: Search for "2003 Chevrolet Avalanche IAT sensor location" along with your specific engine size (e.g., "2003 Chevrolet Avalanche 5.3L IAT sensor location"). You might find pictures or videos showing its location on a similar vehicle.

Caution: Be careful when working near the intake system. Avoid touching the MAF sensor with your fingers, as oils from your skin can contaminate it.

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