73 Temperature after catalyst too low - Down stream catalyst temp - physical (Catalyst heating time failed) - P042B Catalyst Temperature Sensor Circuit Range/Performance
Temperature after catalyst too low - Downstream catalyst temp -physical (Catalyst heating time failed) - P042B Catalyst Temperature Sensor Circuit Range/Performance
If Steering Not Working,Hydraulic suction filter plugged.Improper tire inflation.Steering linkage needs lubrication.Excessive play in steering. See your John Deere Dealer.