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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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Chapter
Section
BuyFindarrow_forward

Automotive Technology: A Systems A...

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

The PCV system prevents from escaping to the atmosphere.

To determine

The importance of PCV system.

Explanation

A small valve opening as PCV is considered as satisfactory to run an engine at idle speed. These small valves help an engine to draw fresh air from atmosphere through a filter cap which is vented. It helps in stopping an engine to release hydrocarbons directly to atmosphere.

When the vehicle is shut off, the excessive vapor present is forced out through the vent present at the oil filler cap. For a vehicle to run idle, a small opening is a must.

PCV valve stops harmful emissions as it protects the environment from smog and other pollutions caused by vehicle emission.

The PCV system works as there is a hole present inside the filtering source of the air...

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