ENGINE CONTROLLING APPARATUS

The engine controlling apparatus (1) includes a selector (2) and a changer (3). The selector (2) selects one of a plurality of injection modes according to the operating condition of an engine (10), where injection rates of a plurality of injectors (6, 7) differ among the injection modes. The changer (3) changes a map specifying a reference value of a detection signal detected by a first sensor according to the injection mode.