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ENGINE CONTROL SYSTEM SYMPTOMS EC-301 < SYMPTOM DIAGNOSIS > [HR12DE (TYPE 1)] C D E F G H I J K L M A EC N P O Mass air flow sensor circuit 1 1 2 2 2 2 2 2 Engine coolant temperature sensor circuit 3 3 3 Air fuel ratio (A/F) sensor 1 circuit EC-147, Throttle position sensor circuit 2 2 EC-145, Accelerator pedal position sensor circuit 3 2 1 EC-268, SYMPTOM Reference HARD/NO S T A R T/RES T A R T (E XCP . HA) E N GINE ST ALL HES IT A TION/SURGING/FLA T SPOT S P ARK KNOC K /DET O NA TI ON LACK OF POWER/POOR ACCELERA TION HIG H IDL E /L OW ID LE ROUGH IDLE/HUNTING ID LING VI BRA T ION S L OW/NO RETU RN T O ID LE OVERHEA T S /W A TER TEMPERA T URE HIG H E X CESSIVE FUEL CON S UMP T ION E X CESSIVE OIL C O NSUMP T ION B A TTER Y DEAD (UNDER CHARGE) Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA |