Bobcat 553 P2391 Error Code
P2391 Error Code
NOx Pre-treatment Sensor Fault is the main cause of P2391 error.A significant number of consequences can be suffered due to an overheating engine with code P2391. The problem might be a blown gasket or something related to the fuel tank.
Tip For 553 Model
If the engine stops, the boom / bucket
(attachments) can be lowered to the ground
using hydraulic pressure in the accumulator.
The control console must be in the locked
down position, and the key switch in the ON
position.
Use the control lever to lower the boom.