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Home >> Mercedes Benz >> 1990 >> 560SEC >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptom Diagnosis >> Lack Of Power

Lack Of Power

Check for brakes binding. Check fuel supply, emission controls, MAP sensor, crank angle sensor, coolant temperature sensor, atmospheric pressure sensor, vehicle speed sensor, Electro-Hydraulic Actuator (EHA) and differential pressure regulator, fuel injectors, air intake system and EGR control system.