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19290 Error Code For Graham-Bradley Tractor Models

There is 1 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

If Heater does not work,Low coolant level. Check coolant level; add if necessary, faulty thermostat, heater control valve not functioning properly ,heater core or hoses clogged or damaged. Flush cooling system. See your John Deere dealer or replace heater core or hoses.

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