FMI Error Code 5 CAT

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Removing restrictions from the fuel filter

Cause:

Malfunction in the thermostat control system. The onboard computer reports communication issues with the control unit, so a possible cause could be a poor connection. The cooling system circuit is open, which may affect the operation of the powertrain as a whole. This indicates a malfunction in the intake airflow. The cause of the problem may be a loss of sealing or a malfunction of the mass airflow sensor. If the contaminants are not critical, you can clean the airflow meter using a special carburetor cleaner.

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