MID 40 CAT Fault Code

Cause :

If, as a result of the diagnosis, it was possible to read this code, then this combination means damage to the catalyst. It is necessary to check the device for mechanical defects.Thhis indicates a malfunction in the intake air flow. The cause of the problem may be a loss of tightness or a malfunction of the mass air flow sensor. If the contaminants are not critical, you can clean the flowmeter using a special carburetor.