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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

Rather then rely on the AIR system for extra oxygen in a TWC, what do most late model vehicles do to support the oxidation process?

To determine

The alternate for getting extra oxygen in the TWC for supporting the oxidizing process in the late model.

Explanation

The AIR system is used in old engines for the oxygen required fir oxidizing the harmful gases in the converter. But in the late model engines, the AIR system is ignored and in place of that exhaust emission is used. The ratio of air-fuel mixture reflects the amount of oxygen content in the exhaust which depends on the specification of the engine.

This ratio may be high or low which depends upon the type of engine and it is controlled by PCM. As the ratio may be high or low which means the oxygen content can also be high or low...

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