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Home >> Audi >> 2015 >> A4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 379 (Engine Control System (Diagnostic Codes (P0010-P0172))) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2013 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Both of the following conditions are met -
Average engine load value ratio Less than 0.85, or higher than 1.15 (varies with estimated engine load)
Average air fuel ratio Less than -20%, or higher than 20%