The high-side pressure on a system with a cycling clutch and pressure cycling switch is 245 psi, the low- side pressure is 28 psi, and the ambient temperature is 78°F. What do these gauge readings indicate? The system is undercharged. The system is overcharged. The system is normal. The evaporator pressure regulator is bad.

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Solutions

Chapter
Section
Chapter 55, Problem 12RQ
Textbook Problem

The high-side pressure on a system with a cycling clutch and pressure cycling switch is 245 psi, the low- side pressure is 28 psi, and the ambient temperature is 78°F. What do these gauge readings indicate? The system is undercharged. The system is overcharged.The system is normal.The evaporator pressure regulator is bad.

Expert Solution
To determine

Explanation of Solution

Given:

High side pressure on the cycling switch =245 psi

Lowside pressure on the cycling switch =28 psi

Ambient temperature = 78℉.

The given data says that the pressure on the low side is 28 psi and the pressure on the high side is 245 psi. The pressure on high side is extremely high and is possible only due to overcharging of the system...

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