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4 CHECK INJECTOR Does each injector make an operating sound at idle? MEC703B Yes or No Yes © GO TO 5. No © Check injector(s) and circuit(s). Refer to EC-696. 5 CHECK IGNITION SPARK 1. Turn ignition switch OFF. SEF575Q OK or NG OK © GO TO 6. NG © Check ignition coil, power transistor and their circuits. Refer to “IGNITION SIGNAL”, GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0300 - P0306 MULTIPLE CYLINDER MISFIRE, NO. 1 - 6 CYLINDER MISFIRE Diagnostic Procedure (Cont’d) EC-305 |