Author Question: A check with a scan tool indicates these pressures with the AC system: Low side 26 psi/high side 90 ... (Read 139 times)

MGLQZ · **on:** Jun 23, 2018

A check with a scan tool indicates these pressures with the AC system: Low side 26 psi/high side 90 psi. What could these pressures indicate?

A) Low refrigerant charge B) System operating normally
C) Compressor not running D) Overtightened belt

Question 2

Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B says that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B