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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

A hot-wire MAF has low resistance across it when the wire is hot: Technician A says that this condition will cause the engine to stall as soon as you put the transmission into gear. Technician B says that this condition will cause the transmission to shift late. Who is correct?

a. Technician A only

b. Technician B only

c. Both A and B

d. Neither A nor B

To determine

The correct technician among the two i.e. A and B who are discussing about MAF sensor operation.

Explanation

MAF sensors are used to send information about the air flow in to the engine. The thermistor attached to the hot wires measure the temperature of the hot wire. The PCM always try to keep the hot wire temperature at a constant condition. As the air passes over the wire heat will be transferred from the wire to air. Due to the heat loss from wire reduces the temperature of the wire...

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