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CID 2420 CAT Fault Code

Boom Cylinder Extend Limit Solenoid

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.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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