MR2 L4-1587cc 1.6L DOHC SC (4A-GZE) (1988)
Hose/Line HVAC: Testing and Inspection
1.
A restricted suction line is indicated by low suction pressure at the compressor, low discharge pressure and little or no cooling.
2.
A restricted discharge line will usually cause the pressure relief valve to open.
3.
A restricted liquid line will cause low suction and discharge pressures and little or no cooling.