Blu_Ray_UK2007 Posted September 13 Share Posted September 13 I am experiencing difficulties with P0101FA on a Mercedes Benz W213. I have substituted the mass airflow meter and air filter, and I have calibrated the HFM data using Icarsoft v2.0. The vehicle enters a limp state or has reduced power after reaching 2,500 to 3,000 RPM. The limp mode and check engine light unexpectedly disappeared for around three weeks. I have just returned. I observed that when re-adapting the MAF (Hfm drift values xxxxx), the present correction values are all 0%. Is this the correct form? I recall they were all around 10 years old (when there was no limp/CEL). Should the correction values be set to 0% with a functioning MAF? Is there anybody else who had the same problem? Quote Link to comment Share on other sites More sharing options...
CyberNinja Posted September 13 Share Posted September 13 predominant cause: increase leak I am uncertain about the meaning of P0214fA14627. Quote Link to comment Share on other sites More sharing options...
Blu_Ray_UK2007 Posted September 13 Author Share Posted September 13 P0101FA - The air mass meter 1 is malfunctioning. Quote Link to comment Share on other sites More sharing options...
CyberNinja Posted September 13 Share Posted September 13 Inspect the MAF wires and assess for boost leaks, since hose splits may be inconspicuous. Quote Link to comment Share on other sites More sharing options...
CyberNinja Posted September 13 Share Posted September 13 😉 Quote Link to comment Share on other sites More sharing options...
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