19290 Error Code For Sears Tractor Models

There are 60 kind of error description.

Description:

73 Temperature after catalyst too low - Down stream catalyst temp - physical (Catalyst heating time failed) - P042B Catalyst Temperature Sensor Circuit Range/Performance

Hissing noise at expansion valve, Loss of refrigerant.Restriction in refrigerant system.Check receiver-dryer for uniformity of temperature.

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