Date registered: Sep 2012
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Hot film mass air flow sensor
I have an issue with which i can expect some help from here.
I am working on a Mercedes C200 Kompressor.
The issue i am facing is that the Check Engine Indicator lamp keeps turning ON.
I connected Star Diagnosis and performed the Short Test. It showed an error with the Hot FIlm Mass Air flow sensor.
I checked the HFMAF sensor and the specified and actual values after the test were same and it showed the sensor was fine.
I erased the fault memory.
But even then the Check Engine Indicator turned on after about a day.
Any ideas what might be wrong??