| 摘要 |
According to the invention, a malfunction due to catch of a foreign matter in a variable valve timing mechanism is prevented. In an internal combustion engine including a variable valve timing mechanism, when feedback control of an actuator is conducted so that an actual cam phase corresponds to a target cam phase calculated depending on an engine operation condition, if the target cam phase changes by a change in the engine operating condition, the actuator is controlled with a predetermined control value different from the feedback control only for a predetermined time thereafter.
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