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Home >> Isuzu >> 1995 >> Trooper LS, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Ignition System >> Ignition Timing Control Systems >> Electronic Spark Advance

Electronic Spark Advance

Electronic Control Module (ECM) uses inputs from crankshaft position sensor to control advance curve. Other sensor inputs to ECM controlling ignition timing advance are: coolant temperature sensor, vehicle speed sensor, MAP sensor, airflow sensor, throttle valve switch and detonation (knock) sensor.

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