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Mercedes Benz
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1990
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300SE (126.024) L6-3.0L (103.981)
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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 12 (Ignition Control)
Code 12 (Ignition Control)
Check for defective vacuum line to EZL control unit and, or defective EZL control unit.