Diagnosis With Manifold Gauges

STANDARD SYSTEM PRESSURES

High Side: 185 - 213 psi (1275 - 1471 kPa)
Low Side: 28 psi (196 kPa)

VEHICLE CONDITIONS

1. Windows open.
2. Engine speed: 1500 - 1700 rpm.
3. Blower fan speed "HI."
4. Inlet set at "FRESH."
5. "SET" temperature display: 65°F (18°C).

GAUGE INDICATION CHARTS

Fig. 5 Manifold Gauge Pressure Readings (Part 1 Of 3):

Fig. 5 Manifold Gauge Pressure Readings (Part 2 Of 3):

Fig. 5 Manifold Gauge Pressure Readings (Part 3 Of 3):