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ENGINE CONTROL SYSTEM SYMPTOMS EC-557 < SYMPTOM DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O 1 - 6: The numbers refer to the order of inspection. Valve Timing chain 5 5 5 5 5 5 5 5 Camshaft Intake valve timing control Exhaust valve timing control Intake valve 3 Exhaust valve Exhaust Exhaust manifold/Tube/Muffler/ 5 5 5 5 5 5 5 5 Three way catalyst Lubrica- Oil pan/Oil strainer/Oil pump/Oil 5 5 5 5 5 5 5 5 Oil level (Low)/Filthy oil Cooling Radiator/Hose/Radiator filler cap 5 5 5 5 5 5 5 4 5 Thermostat 5 Water pump Water gallery Cooling fan 5 Coolant level (Low)/Contaminat- IVIS (INFINITI Vehicle Immobilizer System — 1 1 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 XCESSIVE FUEL CON S UMP T ION E XCESSIVE 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 |