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ASE T7 HVAC (Medium Heavy Truck) Practice Questions - ASE T7 - Heating, Ventilation & Air Conditioning (Medium Heavy Truck) Certification Exam

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During a performance test on a Class 8 truck A/C system at 1,500 rpm with doors open, the manifold gauges read 45 psi low side and 350 psi high side on R-134a with high ambient temperature. Vent temperature is high. What does this MOST likely indicate?
Correct Answer:
Overcharge or restricted condenser airflow

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