Bobcat 553 E0321 Error Code
E0321 Error Code
5 Volt Sensor Supply Out Of Range High is the main cause of E0321 error.A significant number of consequences can be suffered due to an overheating engine with code E0321. The problem might be a blown gasket or something related to the fuel tank.
Tip For 553 Model
It is recommended in cold weather to cycle the glow plugs twice before attempting to start the engine. This will allow for additional heating time for cold weather starting.