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What is a IAT sensor?

Updated: 10/21/2022
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15y ago

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Intake Air Temperature Sensor Air intake temperature is used to correct fuel quantity (pulse width) since air temperature effects air density. (colder air is much more dense) Approximately 70°F is generally used for 0 correction, temperatures above will result in less fuel to compensate for the lower air density, and conversely temperatures below 70° will result in steadily richer (by volume) mixtures. Bad readings will effect ECM attempts to keep the air to fuel ratio proportional.

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15y ago
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Q: What is a IAT sensor?
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