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Drivability Practice Exam
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The IAT sensor is found on carbureted engines.
True
Not used
Only on diesel
False
Reveal Answer
Correct Answer:
False
Explanation:
Intake Air Temperature (IAT) sensing is used by electronic engine-management systems to adjust the air–fuel mix based on how dense the incoming air is. Carbureted engines rely on mechanical metering—things like choke position, throttle, fuel bowl levels, and engine temperature—without an ECU interpreting sensor data. Because there’s typically no ECU in a carbureted setup to use an IAT signal, an IAT sensor isn’t part of a standard carbureted engine. So the statement is false.
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