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Home >> Toyota >> 2009 >> Matrix Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Engine Control System SFI System (Diagnostic Codes (P0010 - P0128))) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem (FROM 12/2010) >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Both of following conditions 1 and 2 met: -
1. Average engine load value ratio Less than 0.85% or more than 1.26% (varies with estimated engine load)
2. Average air fuel ratio Less than -20% or more than 20%