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Two technicians are describing the IAT (Intake air temperature) sensor. Technician A says that the ...

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Two technicians are describing the IAT (Intake air temperature) sensor. Technician A says that the ...

Two technicians are describing the IAT (Intake air temperature) sensor. Technician A says that the IAT sensor is more important to the operation of the engine (higher authority) than the ECT (engine coolant temperature) sensor. Technician B says the PCM (Powertrain Control Module) will add increase the fuel injector pulse-width to the base calculated pulse, if the IAT indicates that the incoming air temperature is cold. Who is right?

▸ Technician A

▸ Technician B

▸ Both technicians

▸ Neither technician

Textbook

Advanced Engine Performance Diagnosis

Edition: 4^th

Author: Halderman

Read 118 times

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Helped a lot

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