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CID 867 CAT Fault Code

Hydraulic Engine Retarder Valve Solenoid

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.


Don't forget ! When a fault code pops up, CAT's Uptime Center is automatically notified via an cellular link, and it alerts the truck's owner by prearranged methods, usually email or phone calls.

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