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IAT and Knock Sensor Functionality Guide by ScribdTranslations is a document available to read on EtoBox.

The IAT sensor measures the temperature of the intake air entering the engine and sends that information to the ECU. The ECU uses this information to calculate the necessary amount of fuel and adjust the ignition parameters, especially during cold starts. Failures in the IAT sensor can cause acceleration problems, fuel consumption issues, and emissions.

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