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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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Specifications
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Pressure, Vacuum and Temperature Specifications
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Oxygen Sensor
Oxygen Sensor
OXYGEN SENSOR
Operating Temperature
660 - 1560°F (350 - 850°C)
EGR TEMPERATURE SENSOR
Fault Signal
[1]
248°F (120°C)
[1]
At normal operating temperatures, the CIS-E control unit will recognize an EGR temperature < 248°F as a fault.