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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 the AIR system should pump air into the exhaust manifold(s) during engine warmup. Technician B says that the secondary air system check valve can be checked with an exhaust gas analyzer. Who is correct?

a. Technician A only

b. Technician B only

c. Both A and B

d. Neither A nor B

To determine

The technician with the correct approach.

Explanation

Given:

Technician A says that the AIR system should pump air into the exhaust manifold during engine warm up.

Technician B says that the secondary air system check valve can be checked with an exhaust gas analyzer.

The air injection system is equipped in vehicles to control the emission according to the standards specified by the government.

The air injection systems should pump air into the exhaust manifold during the warming up of the engine, otherwise, the HC emissions will increase when the engine is in this mode...

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