LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Avalon Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0346)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

Both of following conditions are met: -
Average engine load value ratio Less than 0.85 or more than 1.26 (varies with estimated engine load)
Average air fuel ratio Less than -20% or more than 20%