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6A–16 ENGINE MECHANICAL (6VD1 3.2L) Malfunction Indicator Lamp The instrument panel “CHECK ENGINE” Malfunction In- when the system checks the starting of engine, or senses Condition Possible cause Correction “CHECK ENGINE” MIL does not Bulb defective Replace illuminate at the starting of engine MIL circuit open Correct or replace Command signal circuit to operate Correct or replace Engine Control Module (ECM) cable Correct or replace ECM defective Replace “CHECK ENGINE” MIL illuminates, Deterioration of heated oxygen Replace Heated oxygen sensor connector Reconnect properly Heated oxygen sensor lead wire Correct Heated oxygen sensor circuit open Correct or replace Deterioration of engine coolant Replace Engine coolant temperature sensor Reconnect properly Engine coolant temperature sensor Correct Engine coolant temperature sensor Correct or replace Throttle position sensor open or Correct or replace Deterioration of crankshaft position Replace Crankshaft position sensor circuit Correct or replace Vehicle speed sensor circuit open Correct or replace Manifold absolute pressure sensor Correct or replace Intake air temperature sensor circuit Correct or replace Fuel injector circuit open or shorted Correct or replace ECM driver transistor defective Replace ECM Malfunctioning of ECM RAM Replace ECM |