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Mercedes Benz
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1987
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190D 2.5 Turbo (201.128) L5-2.5L DSL Turbo (602.961)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Temperature Fluctuates
Temperature Fluctuates
SYMPTOM DESCRIPTION:
The air outlet temperature slowly fluctuate upward and downward.
CAUSE/REMEDY:
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INTERIOR TEMPERATURE SENSOR VENTILATION NOT WORKING. Check the operation of the aspirator blower.
Testing and Inspection