CID 642 CAT Fault Code

Cause :

The literal translation of the error is low circuit of the solenoid valve of the intake device located in the second bank. It is necessary to check the operation of the mechanism.Associated with low engine fluid pressure. The reason most likely is the lack of oil in the engine, so first of all you need to check the amount of consumable. You should also make sure that the engine fluid pressure sensor is working.