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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 a vacuum leak results in less air entering the engine, which causes a richer air-fuel mixture. Technician B says that a vacuum leak can cause the engine to run poorly. 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:

Technician A says that vacuum leak results in less air entering the engine, which causes a richer air-fuel mixture.

Technician B says that a vacuum leak can cause the engine to run poorly.

Engine vacuum is created when the piston is moving downwards during the intake stroke of a four-stroke engine. During this stroke, the intake valve opens and the piston moves downwards. Thus, a vacuum is created into the cylinder and air is filled...

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