After we removed the valve covers and intake manifold on my Ferrari 458 to clean the intake valves, and get the valve covers and intake repainted, I must have not tightened one of the ground wires. So I kept getting a lot of major system failures, showing over 30 DTC codes on the computer, and the can bus was basically dead. When this would happen, I would have systems shut down while driving which is always a problem. So after some searching, we determined it was just the loose ground wire! Easy fix.


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