| 摘要 |
<p>In an apparatus for controlling an internal combustion engine (10) mounted on a vehicle, comprising an engine speed detector (62, 66d, S10) that detects speed (NE) of the engine, an ignition timing calculator (66d, S10) that calculates an ignition timing of the engine based on at least the detected engine speed, a load detector (66d, S12, S12a, S56, S100 to S116) that detects load in a compression stroke of the engine, and an ignition controller (34, 36, 66e, 66d) that controls the ignition timing to be the calculated timing (S34, S38), and controls the ignition timing to be a retarded timing than the calculated timing when the detected load is equal to or greater than a threshold value (S14 to S28, S34 to S50, S18a to S28a, S42a, S44a). With this, it becomes possible to avoid the unnecessary decrease of engine output which adversely affects driving feel of the operator, and effectively prevent the knocking and kickback from occurring.
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