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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

Technician A says that excessively high pressure from an electric fuel pump can be caused by a faulty pressure regulator. Technician B says that the typical problem may be an obstructed return line. Who is correct?

a. Technician A

b. Technician B

c. Both A and B

d. Neither A nor B

To determine

The technician with correct approach.

Explanation

Given information:

Technician A says that excessively high pressure from an electric fuel pump can be caused by a faulty pressure regulator.

Technician B says that the typical problem may be an obstructed return line.

The function of an electric fuel pump is to carry fuel from the fuel tank to the injection of the engine at high pressure for combustion of the fuel. But excessive high pressure may be caused difficulties in drivability as it increases the air-fuel ratio. This may be caused due to a fault in the pressure regulator or a blockage in the return line...

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