The Temperature of the Liquid Line Is the Same on Both Sides of the Expansion Valve, and the Evaporator Coil or Suction Line
The temperature of the liquid line is the same on both sides of the expansion valve, and the evaporator coil or suction line has heavy condensation
Diagnostic Procedure:
1. Probable cause: The expansion valve is stuck open
2. Replace the expansion valve Service and Repair
Also check for:
- HVAC DTCs Initial Inspection and Diagnostic Overview
- Check the old expansion valve for contamination. If contaminants are found, replace the A/C system component that caused the contamination.