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P3449 Code – Cylinder 7 Deactivation Solenoid Valve Control Circuit

Code P3449 Possible Causes
Restricted oil passage
Valve Lifter Oil Manifold Assembly circuit poor electrical connection
Valve Lifter Oil Manifold Assembly harness is open or shorted
Cylinder Deactivation Solenoid circuit poor electrical connection
Cylinder Deactivation Solenoid harness is open or shorted
Engine mechanical condition

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