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Mercedes Benz
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1991
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190E 2.3 (201.028) L4-2.3L (102.985)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Powertrain Management
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Fuel Injection System (CIS-E)
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Impulse Counter
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Code 5 (Oxygen Sensor)
Code 5 (Oxygen Sensor)
Oxygen Sensor Testing:
