Valve timing correction control apparatus and method for an internal combustion engine

A valve timing correction control apparatus for an internal combustion engine (1) is provided. The engine (1) includes a plurality of banks and variable valve operating mechanisms (2) disposed at the respective banks for variably controlling valve timings of intake valves (3) separately at the respective banks. The valve timing correction control apparatus comprises air/fuel ratio sensors (8) provided to exhaust systems of the respective banks, and a control unit (19) that corrects the valve timings of the intake valves (3) at the respective banks in accordance with deviations of air/fuel ratios detected by the respective air/fuel ratio sensors (8). A valve timing correction control method is also provided.