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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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Chapter
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BuyFindarrow_forward

Automotive Technology: A Systems A...

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

How do you test the efficiency of a secondary AIR system?

To determine

The test to check the efficiency of a secondary AIR system.

Explanation

The air injection system is equipped in some vehicles to control the emission according to the standards specified by the government. To check the efficiency of a secondary AIR system, a system efficiency test is performed. When the air injection system is working properly, the emission of HC, CO, and CO2 are decreased, while O2 is increased. To test the system, the procedure is as follows:

  1. To start the test, first of all run the engine at about 1,500 rpm while enabling the AIR system is in ON position.
  2. Now, measure and record the emissions levels by using an exhaust gas analyser...

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